Home / 811,044,084.88-1,119,262,844.82-458,672,768.92

Finding the Fourth Proportional to 811,044,084.88, 1,119,262,844.82 and 458,672,768.92

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Solution

The fourth proportional to 811,044,084.88, 1,119,262,844.82 and 458,672,768.92 is: 632,980,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,044,084.88 : 1,119,262,844.82 = 458,672,768.92 : x
  2. Step 2: Convert to fraction form
    811,044,084.88/1,119,262,844.82 = 458,672,768.92/x
  3. Step 3: Cross multiply
    811,044,084.88x = 1,119,262,844.82 × 458,672,768.92
  4. Step 4: Simplify right side
    811,044,084.88x = 513,375,388,182,865,664
  5. Step 5: Solve for x
    x = 513,375,388,182,865,664/811,044,084.88
  6. Step 6: Final answer
    x = 632,980,867.20

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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.