Home / 469,809,829.78-704,707,279.71-115,287,915.22

Finding the Fourth Proportional to 469,809,829.78, 704,707,279.71 and 115,287,915.22

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Solution

The fourth proportional to 469,809,829.78, 704,707,279.71 and 115,287,915.22 is: 172,930,040.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,809,829.78 : 704,707,279.71 = 115,287,915.22 : x
  2. Step 2: Convert to fraction form
    469,809,829.78/704,707,279.71 = 115,287,915.22/x
  3. Step 3: Cross multiply
    469,809,829.78x = 704,707,279.71 × 115,287,915.22
  4. Step 4: Simplify right side
    469,809,829.78x = 81,244,233,118,123,312
  5. Step 5: Solve for x
    x = 81,244,233,118,123,312/469,809,829.78
  6. Step 6: Final answer
    x = 172,930,040.98

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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.