Home / 512,713,897.15-769,070,854.61-124,534,111.82

Finding the Fourth Proportional to 512,713,897.15, 769,070,854.61 and 124,534,111.82

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Solution

The fourth proportional to 512,713,897.15, 769,070,854.61 and 124,534,111.82 is: 186,801,169.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,713,897.15 : 769,070,854.61 = 124,534,111.82 : x
  2. Step 2: Convert to fraction form
    512,713,897.15/769,070,854.61 = 124,534,111.82/x
  3. Step 3: Cross multiply
    512,713,897.15x = 769,070,854.61 × 124,534,111.82
  4. Step 4: Simplify right side
    512,713,897.15x = 95,775,555,805,829,808
  5. Step 5: Solve for x
    x = 95,775,555,805,829,808/512,713,897.15
  6. Step 6: Final answer
    x = 186,801,169.89

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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.