Home / 667,775,999.40-1,001,663,999.10-546,744,114.60

Finding the Fourth Proportional to 667,775,999.40, 1,001,663,999.10 and 546,744,114.60

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Solution

The fourth proportional to 667,775,999.40, 1,001,663,999.10 and 546,744,114.60 is: 820,116,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,775,999.40 : 1,001,663,999.10 = 546,744,114.60 : x
  2. Step 2: Convert to fraction form
    667,775,999.40/1,001,663,999.10 = 546,744,114.60/x
  3. Step 3: Cross multiply
    667,775,999.40x = 1,001,663,999.10 × 546,744,114.60
  4. Step 4: Simplify right side
    667,775,999.40x = 547,653,896,314,624,704
  5. Step 5: Solve for x
    x = 547,653,896,314,624,704/667,775,999.40
  6. Step 6: Final answer
    x = 820,116,171.90

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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.