Home / 503,167,061.66-753,768,711.97-391,982,127.48

Finding the Fourth Proportional to 503,167,061.66, 753,768,711.97 and 391,982,127.48

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Solution

The fourth proportional to 503,167,061.66, 753,768,711.97 and 391,982,127.48 is: 587,208,277.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,167,061.66 : 753,768,711.97 = 391,982,127.48 : x
  2. Step 2: Convert to fraction form
    503,167,061.66/753,768,711.97 = 391,982,127.48/x
  3. Step 3: Cross multiply
    503,167,061.66x = 753,768,711.97 × 391,982,127.48
  4. Step 4: Simplify right side
    503,167,061.66x = 295,463,863,344,880,000
  5. Step 5: Solve for x
    x = 295,463,863,344,880,000/503,167,061.66
  6. Step 6: Final answer
    x = 587,208,277.05

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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.