Home / 372,419,363.84-558,629,011.20-142,411,712

Finding the Fourth Proportional to 372,419,363.84, 558,629,011.20 and 142,411,712

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Solution

The fourth proportional to 372,419,363.84, 558,629,011.20 and 142,411,712 is: 213,617,554.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,419,363.84 : 558,629,011.20 = 142,411,712 : x
  2. Step 2: Convert to fraction form
    372,419,363.84/558,629,011.20 = 142,411,712/x
  3. Step 3: Cross multiply
    372,419,363.84x = 558,629,011.20 × 142,411,712
  4. Step 4: Simplify right side
    372,419,363.84x = 79,555,313,857,859,184
  5. Step 5: Solve for x
    x = 79,555,313,857,859,184/372,419,363.84
  6. Step 6: Final answer
    x = 213,617,554.78

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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.