Home / 875,167,753.40-1,312,950,695.70-511,474,902.20

Finding the Fourth Proportional to 875,167,753.40, 1,312,950,695.70 and 511,474,902.20

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Solution

The fourth proportional to 875,167,753.40, 1,312,950,695.70 and 511,474,902.20 is: 767,328,693.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,167,753.40 : 1,312,950,695.70 = 511,474,902.20 : x
  2. Step 2: Convert to fraction form
    875,167,753.40/1,312,950,695.70 = 511,474,902.20/x
  3. Step 3: Cross multiply
    875,167,753.40x = 1,312,950,695.70 × 511,474,902.20
  4. Step 4: Simplify right side
    875,167,753.40x = 671,541,328,676,579,456
  5. Step 5: Solve for x
    x = 671,541,328,676,579,456/875,167,753.40
  6. Step 6: Final answer
    x = 767,328,693.35

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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.