Home / 534,854,942.20-802,282,413.30-488,938,439.80

Finding the Fourth Proportional to 534,854,942.20, 802,282,413.30 and 488,938,439.80

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Solution

The fourth proportional to 534,854,942.20, 802,282,413.30 and 488,938,439.80 is: 733,407,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,854,942.20 : 802,282,413.30 = 488,938,439.80 : x
  2. Step 2: Convert to fraction form
    534,854,942.20/802,282,413.30 = 488,938,439.80/x
  3. Step 3: Cross multiply
    534,854,942.20x = 802,282,413.30 × 488,938,439.80
  4. Step 4: Simplify right side
    534,854,942.20x = 392,266,711,437,880,768
  5. Step 5: Solve for x
    x = 392,266,711,437,880,768/534,854,942.20
  6. Step 6: Final answer
    x = 733,407,659.70

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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.