Home / 882,767,635.20-1,218,257,128.80-491,627,059.20

Finding the Fourth Proportional to 882,767,635.20, 1,218,257,128.80 and 491,627,059.20

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Solution

The fourth proportional to 882,767,635.20, 1,218,257,128.80 and 491,627,059.20 is: 678,466,388.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,767,635.20 : 1,218,257,128.80 = 491,627,059.20 : x
  2. Step 2: Convert to fraction form
    882,767,635.20/1,218,257,128.80 = 491,627,059.20/x
  3. Step 3: Cross multiply
    882,767,635.20x = 1,218,257,128.80 × 491,627,059.20
  4. Step 4: Simplify right side
    882,767,635.20x = 598,928,169,581,379,584
  5. Step 5: Solve for x
    x = 598,928,169,581,379,584/882,767,635.20
  6. Step 6: Final answer
    x = 678,466,388.77

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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.