Home / 478,636,732.20-717,955,098.30-249,054,220.20

Finding the Fourth Proportional to 478,636,732.20, 717,955,098.30 and 249,054,220.20

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Solution

The fourth proportional to 478,636,732.20, 717,955,098.30 and 249,054,220.20 is: 373,581,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,636,732.20 : 717,955,098.30 = 249,054,220.20 : x
  2. Step 2: Convert to fraction form
    478,636,732.20/717,955,098.30 = 249,054,220.20/x
  3. Step 3: Cross multiply
    478,636,732.20x = 717,955,098.30 × 249,054,220.20
  4. Step 4: Simplify right side
    478,636,732.20x = 178,809,747,145,720,832
  5. Step 5: Solve for x
    x = 178,809,747,145,720,832/478,636,732.20
  6. Step 6: Final answer
    x = 373,581,330.30

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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.