Home / 661,992,764.94-913,550,012.19-383,695,713.69

Finding the Fourth Proportional to 661,992,764.94, 913,550,012.19 and 383,695,713.69

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Solution

The fourth proportional to 661,992,764.94, 913,550,012.19 and 383,695,713.69 is: 529,500,082.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,992,764.94 : 913,550,012.19 = 383,695,713.69 : x
  2. Step 2: Convert to fraction form
    661,992,764.94/913,550,012.19 = 383,695,713.69/x
  3. Step 3: Cross multiply
    661,992,764.94x = 913,550,012.19 × 383,695,713.69
  4. Step 4: Simplify right side
    661,992,764.94x = 350,525,223,918,750,272
  5. Step 5: Solve for x
    x = 350,525,223,918,750,272/661,992,764.94
  6. Step 6: Final answer
    x = 529,500,082.91

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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.