Home / 469,001,925.12-703,508,870.40-123,952,569.60

Finding the Fourth Proportional to 469,001,925.12, 703,508,870.40 and 123,952,569.60

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Solution

The fourth proportional to 469,001,925.12, 703,508,870.40 and 123,952,569.60 is: 185,930,435.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,001,925.12 : 703,508,870.40 = 123,952,569.60 : x
  2. Step 2: Convert to fraction form
    469,001,925.12/703,508,870.40 = 123,952,569.60/x
  3. Step 3: Cross multiply
    469,001,925.12x = 703,508,870.40 × 123,952,569.60
  4. Step 4: Simplify right side
    469,001,925.12x = 87,201,732,222,473,376
  5. Step 5: Solve for x
    x = 87,201,732,222,473,376/469,001,925.12
  6. Step 6: Final answer
    x = 185,930,435.57

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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.