Home / 820,712,062.04-1,231,143,770.51-268,017,385.96

Finding the Fourth Proportional to 820,712,062.04, 1,231,143,770.51 and 268,017,385.96

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Solution

The fourth proportional to 820,712,062.04, 1,231,143,770.51 and 268,017,385.96 is: 402,050,792.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,712,062.04 : 1,231,143,770.51 = 268,017,385.96 : x
  2. Step 2: Convert to fraction form
    820,712,062.04/1,231,143,770.51 = 268,017,385.96/x
  3. Step 3: Cross multiply
    820,712,062.04x = 1,231,143,770.51 × 268,017,385.96
  4. Step 4: Simplify right side
    820,712,062.04x = 329,967,935,105,532,608
  5. Step 5: Solve for x
    x = 329,967,935,105,532,608/820,712,062.04
  6. Step 6: Final answer
    x = 402,050,792.68

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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.