Home / 667,775,999.90-1,001,663,999.85-546,744,115.10

Finding the Fourth Proportional to 667,775,999.90, 1,001,663,999.85 and 546,744,115.10

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Solution

The fourth proportional to 667,775,999.90, 1,001,663,999.85 and 546,744,115.10 is: 820,116,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,775,999.90 : 1,001,663,999.85 = 546,744,115.10 : x
  2. Step 2: Convert to fraction form
    667,775,999.90/1,001,663,999.85 = 546,744,115.10/x
  3. Step 3: Cross multiply
    667,775,999.90x = 1,001,663,999.85 × 546,744,115.10
  4. Step 4: Simplify right side
    667,775,999.90x = 547,653,897,225,514,816
  5. Step 5: Solve for x
    x = 547,653,897,225,514,816/667,775,999.90
  6. Step 6: Final answer
    x = 820,116,172.65

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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.