Home / 653,253,551.16-901,487,181.88-355,894,867.60

Finding the Fourth Proportional to 653,253,551.16, 901,487,181.88 and 355,894,867.60

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Solution

The fourth proportional to 653,253,551.16, 901,487,181.88 and 355,894,867.60 is: 491,133,436.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,253,551.16 : 901,487,181.88 = 355,894,867.60 : x
  2. Step 2: Convert to fraction form
    653,253,551.16/901,487,181.88 = 355,894,867.60/x
  3. Step 3: Cross multiply
    653,253,551.16x = 901,487,181.88 × 355,894,867.60
  4. Step 4: Simplify right side
    653,253,551.16x = 320,834,661,236,463,488
  5. Step 5: Solve for x
    x = 320,834,661,236,463,488/653,253,551.16
  6. Step 6: Final answer
    x = 491,133,436.12

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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.