Home / 332,424,008.90-498,636,013.35-221,459,128.10

Finding the Fourth Proportional to 332,424,008.90, 498,636,013.35 and 221,459,128.10

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Solution

The fourth proportional to 332,424,008.90, 498,636,013.35 and 221,459,128.10 is: 332,188,692.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,424,008.90 : 498,636,013.35 = 221,459,128.10 : x
  2. Step 2: Convert to fraction form
    332,424,008.90/498,636,013.35 = 221,459,128.10/x
  3. Step 3: Cross multiply
    332,424,008.90x = 498,636,013.35 × 221,459,128.10
  4. Step 4: Simplify right side
    332,424,008.90x = 110,427,496,755,750,960
  5. Step 5: Solve for x
    x = 110,427,496,755,750,960/332,424,008.90
  6. Step 6: Final answer
    x = 332,188,692.15

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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.