Home / 900,331,122.80-1,350,471,491.04-286,952,155.76

Finding the Fourth Proportional to 900,331,122.80, 1,350,471,491.04 and 286,952,155.76

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Solution

The fourth proportional to 900,331,122.80, 1,350,471,491.04 and 286,952,155.76 is: 430,420,204.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,331,122.80 : 1,350,471,491.04 = 286,952,155.76 : x
  2. Step 2: Convert to fraction form
    900,331,122.80/1,350,471,491.04 = 286,952,155.76/x
  3. Step 3: Cross multiply
    900,331,122.80x = 1,350,471,491.04 × 286,952,155.76
  4. Step 4: Simplify right side
    900,331,122.80x = 387,520,705,646,349,504
  5. Step 5: Solve for x
    x = 387,520,705,646,349,504/900,331,122.80
  6. Step 6: Final answer
    x = 430,420,204.11

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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.