Home / 1,172,227,428.60-1,617,677,034.57-643,625,652.84

Finding the Fourth Proportional to 1,172,227,428.60, 1,617,677,034.57 and 643,625,652.84

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Solution

The fourth proportional to 1,172,227,428.60, 1,617,677,034.57 and 643,625,652.84 is: 888,205,148.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,227,428.60 : 1,617,677,034.57 = 643,625,652.84 : x
  2. Step 2: Convert to fraction form
    1,172,227,428.60/1,617,677,034.57 = 643,625,652.84/x
  3. Step 3: Cross multiply
    1,172,227,428.60x = 1,617,677,034.57 × 643,625,652.84
  4. Step 4: Simplify right side
    1,172,227,428.60x = 1,041,178,437,459,391,488
  5. Step 5: Solve for x
    x = 1,041,178,437,459,391,488/1,172,227,428.60
  6. Step 6: Final answer
    x = 888,205,148.64

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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.