Home / 538,273,601.80-807,410,402.70-442,614,221.80

Finding the Fourth Proportional to 538,273,601.80, 807,410,402.70 and 442,614,221.80

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Solution

The fourth proportional to 538,273,601.80, 807,410,402.70 and 442,614,221.80 is: 663,921,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,273,601.80 : 807,410,402.70 = 442,614,221.80 : x
  2. Step 2: Convert to fraction form
    538,273,601.80/807,410,402.70 = 442,614,221.80/x
  3. Step 3: Cross multiply
    538,273,601.80x = 807,410,402.70 × 442,614,221.80
  4. Step 4: Simplify right side
    538,273,601.80x = 357,371,327,064,285,120
  5. Step 5: Solve for x
    x = 357,371,327,064,285,120/538,273,601.80
  6. Step 6: Final answer
    x = 663,921,332.70

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1.5x scale

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.