Home / 530,830,891.76-732,860,864.34-471,930,870.53

Finding the Fourth Proportional to 530,830,891.76, 732,860,864.34 and 471,930,870.53

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Solution

The fourth proportional to 530,830,891.76, 732,860,864.34 and 471,930,870.53 is: 651,543,968.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,830,891.76 : 732,860,864.34 = 471,930,870.53 : x
  2. Step 2: Convert to fraction form
    530,830,891.76/732,860,864.34 = 471,930,870.53/x
  3. Step 3: Cross multiply
    530,830,891.76x = 732,860,864.34 × 471,930,870.53
  4. Step 4: Simplify right side
    530,830,891.76x = 345,859,665,687,176,640
  5. Step 5: Solve for x
    x = 345,859,665,687,176,640/530,830,891.76
  6. Step 6: Final answer
    x = 651,543,968.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.