Home / 1,119,789,788.60-1,679,684,682.90-343,555,254.20

Finding the Fourth Proportional to 1,119,789,788.60, 1,679,684,682.90 and 343,555,254.20

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Solution

The fourth proportional to 1,119,789,788.60, 1,679,684,682.90 and 343,555,254.20 is: 515,332,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,789,788.60 : 1,679,684,682.90 = 343,555,254.20 : x
  2. Step 2: Convert to fraction form
    1,119,789,788.60/1,679,684,682.90 = 343,555,254.20/x
  3. Step 3: Cross multiply
    1,119,789,788.60x = 1,679,684,682.90 × 343,555,254.20
  4. Step 4: Simplify right side
    1,119,789,788.60x = 577,064,498,209,555,968
  5. Step 5: Solve for x
    x = 577,064,498,209,555,968/1,119,789,788.60
  6. Step 6: Final answer
    x = 515,332,881.30

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,119,789,789.60, 1,679,684,684.40 and 343,555,255.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.