Home / 1,141,715,572.67-1,575,610,799.42-639,933,630.59

Finding the Fourth Proportional to 1,141,715,572.67, 1,575,610,799.42 and 639,933,630.59

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Solution

The fourth proportional to 1,141,715,572.67, 1,575,610,799.42 and 639,933,630.59 is: 883,132,685.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,715,572.67 : 1,575,610,799.42 = 639,933,630.59 : x
  2. Step 2: Convert to fraction form
    1,141,715,572.67/1,575,610,799.42 = 639,933,630.59/x
  3. Step 3: Cross multiply
    1,141,715,572.67x = 1,575,610,799.42 × 639,933,630.59
  4. Step 4: Simplify right side
    1,141,715,572.67x = 1,008,286,339,275,191,552
  5. Step 5: Solve for x
    x = 1,008,286,339,275,191,552/1,141,715,572.67
  6. Step 6: Final answer
    x = 883,132,685.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.