Home / 710,747,120.88-1,066,581,034.02-383,448,552.21

Finding the Fourth Proportional to 710,747,120.88, 1,066,581,034.02 and 383,448,552.21

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Solution

The fourth proportional to 710,747,120.88, 1,066,581,034.02 and 383,448,552.21 is: 575,421,188.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,747,120.88 : 1,066,581,034.02 = 383,448,552.21 : x
  2. Step 2: Convert to fraction form
    710,747,120.88/1,066,581,034.02 = 383,448,552.21/x
  3. Step 3: Cross multiply
    710,747,120.88x = 1,066,581,034.02 × 383,448,552.21
  4. Step 4: Simplify right side
    710,747,120.88x = 408,978,953,309,613,696
  5. Step 5: Solve for x
    x = 408,978,953,309,613,696/710,747,120.88
  6. Step 6: Final answer
    x = 575,421,188.91

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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.