Home / 811,044,085.88-1,119,262,846.20-458,672,769.92

Finding the Fourth Proportional to 811,044,085.88, 1,119,262,846.20 and 458,672,769.92

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Solution

The fourth proportional to 811,044,085.88, 1,119,262,846.20 and 458,672,769.92 is: 632,980,868.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,044,085.88 : 1,119,262,846.20 = 458,672,769.92 : x
  2. Step 2: Convert to fraction form
    811,044,085.88/1,119,262,846.20 = 458,672,769.92/x
  3. Step 3: Cross multiply
    811,044,085.88x = 1,119,262,846.20 × 458,672,769.92
  4. Step 4: Simplify right side
    811,044,085.88x = 513,375,389,935,096,960
  5. Step 5: Solve for x
    x = 513,375,389,935,096,960/811,044,085.88
  6. Step 6: Final answer
    x = 632,980,868.58

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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.