Home / 1,513,259,744.40-2,269,960,475.40-478,201,633.20

Finding the Fourth Proportional to 1,513,259,744.40, 2,269,960,475.40 and 478,201,633.20

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Solution

The fourth proportional to 1,513,259,744.40, 2,269,960,475.40 and 478,201,633.20 is: 717,324,841.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,259,744.40 : 2,269,960,475.40 = 478,201,633.20 : x
  2. Step 2: Convert to fraction form
    1,513,259,744.40/2,269,960,475.40 = 478,201,633.20/x
  3. Step 3: Cross multiply
    1,513,259,744.40x = 2,269,960,475.40 × 478,201,633.20
  4. Step 4: Simplify right side
    1,513,259,744.40x = 1,085,498,806,635,728,384
  5. Step 5: Solve for x
    x = 1,085,498,806,635,728,384/1,513,259,744.40
  6. Step 6: Final answer
    x = 717,324,841.72

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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.