Home / 534,854,778.95-802,282,168.43-488,938,276.55

Finding the Fourth Proportional to 534,854,778.95, 802,282,168.43 and 488,938,276.55

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Solution

The fourth proportional to 534,854,778.95, 802,282,168.43 and 488,938,276.55 is: 733,407,414.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,854,778.95 : 802,282,168.43 = 488,938,276.55 : x
  2. Step 2: Convert to fraction form
    534,854,778.95/802,282,168.43 = 488,938,276.55/x
  3. Step 3: Cross multiply
    534,854,778.95x = 802,282,168.43 × 488,938,276.55
  4. Step 4: Simplify right side
    534,854,778.95x = 392,266,460,738,961,024
  5. Step 5: Solve for x
    x = 392,266,460,738,961,024/534,854,778.95
  6. Step 6: Final answer
    x = 733,407,414.83

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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.