Home / 668,766,663.60-1,003,149,995.40-177,555,747.30

Finding the Fourth Proportional to 668,766,663.60, 1,003,149,995.40 and 177,555,747.30

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Solution

The fourth proportional to 668,766,663.60, 1,003,149,995.40 and 177,555,747.30 is: 266,333,620.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,766,663.60 : 1,003,149,995.40 = 177,555,747.30 : x
  2. Step 2: Convert to fraction form
    668,766,663.60/1,003,149,995.40 = 177,555,747.30/x
  3. Step 3: Cross multiply
    668,766,663.60x = 1,003,149,995.40 × 177,555,747.30
  4. Step 4: Simplify right side
    668,766,663.60x = 178,115,047,087,238,560
  5. Step 5: Solve for x
    x = 178,115,047,087,238,560/668,766,663.60
  6. Step 6: Final answer
    x = 266,333,620.95

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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.