Home / 288,472,910.47-397,939,092.57-175,476,949.11

Finding the Fourth Proportional to 288,472,910.47, 397,939,092.57 and 175,476,949.11

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Solution

The fourth proportional to 288,472,910.47, 397,939,092.57 and 175,476,949.11 is: 242,064,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,472,910.47 : 397,939,092.57 = 175,476,949.11 : x
  2. Step 2: Convert to fraction form
    288,472,910.47/397,939,092.57 = 175,476,949.11/x
  3. Step 3: Cross multiply
    288,472,910.47x = 397,939,092.57 × 175,476,949.11
  4. Step 4: Simplify right side
    288,472,910.47x = 69,829,137,895,785,472
  5. Step 5: Solve for x
    x = 69,829,137,895,785,472/288,472,910.47
  6. Step 6: Final answer
    x = 242,064,801.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.