Home / 534,854,763.70-802,282,145.55-488,938,261.30

Finding the Fourth Proportional to 534,854,763.70, 802,282,145.55 and 488,938,261.30

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Solution

The fourth proportional to 534,854,763.70, 802,282,145.55 and 488,938,261.30 is: 733,407,391.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,854,763.70 : 802,282,145.55 = 488,938,261.30 : x
  2. Step 2: Convert to fraction form
    534,854,763.70/802,282,145.55 = 488,938,261.30/x
  3. Step 3: Cross multiply
    534,854,763.70x = 802,282,145.55 × 488,938,261.30
  4. Step 4: Simplify right side
    534,854,763.70x = 392,266,437,317,250,496
  5. Step 5: Solve for x
    x = 392,266,437,317,250,496/534,854,763.70
  6. Step 6: Final answer
    x = 733,407,391.95

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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.