Home / 1,091,502,023.10-1,637,253,034.65-436,128,981.90

Finding the Fourth Proportional to 1,091,502,023.10, 1,637,253,034.65 and 436,128,981.90

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Solution

The fourth proportional to 1,091,502,023.10, 1,637,253,034.65 and 436,128,981.90 is: 654,193,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,502,023.10 : 1,637,253,034.65 = 436,128,981.90 : x
  2. Step 2: Convert to fraction form
    1,091,502,023.10/1,637,253,034.65 = 436,128,981.90/x
  3. Step 3: Cross multiply
    1,091,502,023.10x = 1,637,253,034.65 × 436,128,981.90
  4. Step 4: Simplify right side
    1,091,502,023.10x = 714,053,499,114,589,952
  5. Step 5: Solve for x
    x = 714,053,499,114,589,952/1,091,502,023.10
  6. Step 6: Final answer
    x = 654,193,472.85

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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.