Home / 664,305,713.40-996,458,570.10-492,118,829.40

Finding the Fourth Proportional to 664,305,713.40, 996,458,570.10 and 492,118,829.40

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Solution

The fourth proportional to 664,305,713.40, 996,458,570.10 and 492,118,829.40 is: 738,178,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,305,713.40 : 996,458,570.10 = 492,118,829.40 : x
  2. Step 2: Convert to fraction form
    664,305,713.40/996,458,570.10 = 492,118,829.40/x
  3. Step 3: Cross multiply
    664,305,713.40x = 996,458,570.10 × 492,118,829.40
  4. Step 4: Simplify right side
    664,305,713.40x = 490,376,025,063,209,856
  5. Step 5: Solve for x
    x = 490,376,025,063,209,856/664,305,713.40
  6. Step 6: Final answer
    x = 738,178,244.10

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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.