Home / 900,314,138.57-1,350,282,251.05-253,930,717.13

Finding the Fourth Proportional to 900,314,138.57, 1,350,282,251.05 and 253,930,717.13

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Solution

The fourth proportional to 900,314,138.57, 1,350,282,251.05 and 253,930,717.13 is: 380,842,781.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,314,138.57 : 1,350,282,251.05 = 253,930,717.13 : x
  2. Step 2: Convert to fraction form
    900,314,138.57/1,350,282,251.05 = 253,930,717.13/x
  3. Step 3: Cross multiply
    900,314,138.57x = 1,350,282,251.05 × 253,930,717.13
  4. Step 4: Simplify right side
    900,314,138.57x = 342,878,140,329,650,944
  5. Step 5: Solve for x
    x = 342,878,140,329,650,944/900,314,138.57
  6. Step 6: Final answer
    x = 380,842,781.03

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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.