Home / 1,119,790,499.60-1,679,685,749.40-343,555,965.20

Finding the Fourth Proportional to 1,119,790,499.60, 1,679,685,749.40 and 343,555,965.20

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Solution

The fourth proportional to 1,119,790,499.60, 1,679,685,749.40 and 343,555,965.20 is: 515,333,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,790,499.60 : 1,679,685,749.40 = 343,555,965.20 : x
  2. Step 2: Convert to fraction form
    1,119,790,499.60/1,679,685,749.40 = 343,555,965.20/x
  3. Step 3: Cross multiply
    1,119,790,499.60x = 1,679,685,749.40 × 343,555,965.20
  4. Step 4: Simplify right side
    1,119,790,499.60x = 577,066,058,867,802,368
  5. Step 5: Solve for x
    x = 577,066,058,867,802,368/1,119,790,499.60
  6. Step 6: Final answer
    x = 515,333,947.80

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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.