Home / 905,162,434.20-1,357,743,651.30-445,997,410.20

Finding the Fourth Proportional to 905,162,434.20, 1,357,743,651.30 and 445,997,410.20

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Solution

The fourth proportional to 905,162,434.20, 1,357,743,651.30 and 445,997,410.20 is: 668,996,115.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,162,434.20 : 1,357,743,651.30 = 445,997,410.20 : x
  2. Step 2: Convert to fraction form
    905,162,434.20/1,357,743,651.30 = 445,997,410.20/x
  3. Step 3: Cross multiply
    905,162,434.20x = 1,357,743,651.30 × 445,997,410.20
  4. Step 4: Simplify right side
    905,162,434.20x = 605,550,152,195,291,776
  5. Step 5: Solve for x
    x = 605,550,152,195,291,776/905,162,434.20
  6. Step 6: Final answer
    x = 668,996,115.30

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Double scale
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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.