Home / 409,463,559.92-614,195,341.68-136,834,326.92

Finding the Fourth Proportional to 409,463,559.92, 614,195,341.68 and 136,834,326.92

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Solution

The fourth proportional to 409,463,559.92, 614,195,341.68 and 136,834,326.92 is: 205,251,490.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,463,559.92 : 614,195,341.68 = 136,834,326.92 : x
  2. Step 2: Convert to fraction form
    409,463,559.92/614,195,341.68 = 136,834,326.92/x
  3. Step 3: Cross multiply
    409,463,559.92x = 614,195,341.68 × 136,834,326.92
  4. Step 4: Simplify right side
    409,463,559.92x = 84,043,006,176,182,208
  5. Step 5: Solve for x
    x = 84,043,006,176,182,208/409,463,559.92
  6. Step 6: Final answer
    x = 205,251,490.98

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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.