Home / 653,253,551.66-901,487,182.57-355,894,868.10

Finding the Fourth Proportional to 653,253,551.66, 901,487,182.57 and 355,894,868.10

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Solution

The fourth proportional to 653,253,551.66, 901,487,182.57 and 355,894,868.10 is: 491,133,436.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,253,551.66 : 901,487,182.57 = 355,894,868.10 : x
  2. Step 2: Convert to fraction form
    653,253,551.66/901,487,182.57 = 355,894,868.10/x
  3. Step 3: Cross multiply
    653,253,551.66x = 901,487,182.57 × 355,894,868.10
  4. Step 4: Simplify right side
    653,253,551.66x = 320,834,661,930,083,392
  5. Step 5: Solve for x
    x = 320,834,661,930,083,392/653,253,551.66
  6. Step 6: Final answer
    x = 491,133,436.81

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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.