Home / 504,454,315.20-756,681,472.80-272,002,021.80

Finding the Fourth Proportional to 504,454,315.20, 756,681,472.80 and 272,002,021.80

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Solution

The fourth proportional to 504,454,315.20, 756,681,472.80 and 272,002,021.80 is: 408,003,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,454,315.20 : 756,681,472.80 = 272,002,021.80 : x
  2. Step 2: Convert to fraction form
    504,454,315.20/756,681,472.80 = 272,002,021.80/x
  3. Step 3: Cross multiply
    504,454,315.20x = 756,681,472.80 × 272,002,021.80
  4. Step 4: Simplify right side
    504,454,315.20x = 205,818,890,460,201,696
  5. Step 5: Solve for x
    x = 205,818,890,460,201,696/504,454,315.20
  6. Step 6: Final answer
    x = 408,003,032.70

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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.