Home / 487,087,762-730,631,628.87-224,694,679.30

Finding the Fourth Proportional to 487,087,762, 730,631,628.87 and 224,694,679.30

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Solution

The fourth proportional to 487,087,762, 730,631,628.87 and 224,694,679.30 is: 337,042,012.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,087,762 : 730,631,628.87 = 224,694,679.30 : x
  2. Step 2: Convert to fraction form
    487,087,762/730,631,628.87 = 224,694,679.30/x
  3. Step 3: Cross multiply
    487,087,762x = 730,631,628.87 × 224,694,679.30
  4. Step 4: Simplify right side
    487,087,762x = 164,169,039,535,381,280
  5. Step 5: Solve for x
    x = 164,169,039,535,381,280/487,087,762
  6. Step 6: Final answer
    x = 337,042,012.43

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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.