Home / 534,854,479.20-802,281,718.80-488,937,976.80

Finding the Fourth Proportional to 534,854,479.20, 802,281,718.80 and 488,937,976.80

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Solution

The fourth proportional to 534,854,479.20, 802,281,718.80 and 488,937,976.80 is: 733,406,965.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,854,479.20 : 802,281,718.80 = 488,937,976.80 : x
  2. Step 2: Convert to fraction form
    534,854,479.20/802,281,718.80 = 488,937,976.80/x
  3. Step 3: Cross multiply
    534,854,479.20x = 802,281,718.80 × 488,937,976.80
  4. Step 4: Simplify right side
    534,854,479.20x = 392,266,000,413,698,496
  5. Step 5: Solve for x
    x = 392,266,000,413,698,496/534,854,479.20
  6. Step 6: Final answer
    x = 733,406,965.20

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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.