Home / 991,770,712.72-1,487,655,847.52-361,550,018.04

Finding the Fourth Proportional to 991,770,712.72, 1,487,655,847.52 and 361,550,018.04

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Solution

The fourth proportional to 991,770,712.72, 1,487,655,847.52 and 361,550,018.04 is: 542,324,946.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,770,712.72 : 1,487,655,847.52 = 361,550,018.04 : x
  2. Step 2: Convert to fraction form
    991,770,712.72/1,487,655,847.52 = 361,550,018.04/x
  3. Step 3: Cross multiply
    991,770,712.72x = 1,487,655,847.52 × 361,550,018.04
  4. Step 4: Simplify right side
    991,770,712.72x = 537,861,998,508,167,488
  5. Step 5: Solve for x
    x = 537,861,998,508,167,488/991,770,712.72
  6. Step 6: Final answer
    x = 542,324,946.29

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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.