Home / 641,560,722.44-885,252,666.60-373,680,641.36

Finding the Fourth Proportional to 641,560,722.44, 885,252,666.60 and 373,680,641.36

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Solution

The fourth proportional to 641,560,722.44, 885,252,666.60 and 373,680,641.36 is: 515,620,381.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,560,722.44 : 885,252,666.60 = 373,680,641.36 : x
  2. Step 2: Convert to fraction form
    641,560,722.44/885,252,666.60 = 373,680,641.36/x
  3. Step 3: Cross multiply
    641,560,722.44x = 885,252,666.60 × 373,680,641.36
  4. Step 4: Simplify right side
    641,560,722.44x = 330,801,784,216,312,000
  5. Step 5: Solve for x
    x = 330,801,784,216,312,000/641,560,722.44
  6. Step 6: Final answer
    x = 515,620,381.12

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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.