Home / 709,235,999.55-1,063,853,999.33-382,718,649.15

Finding the Fourth Proportional to 709,235,999.55, 1,063,853,999.33 and 382,718,649.15

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Solution

The fourth proportional to 709,235,999.55, 1,063,853,999.33 and 382,718,649.15 is: 574,077,973.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,235,999.55 : 1,063,853,999.33 = 382,718,649.15 : x
  2. Step 2: Convert to fraction form
    709,235,999.55/1,063,853,999.33 = 382,718,649.15/x
  3. Step 3: Cross multiply
    709,235,999.55x = 1,063,853,999.33 × 382,718,649.15
  4. Step 4: Simplify right side
    709,235,999.55x = 407,156,765,514,489,024
  5. Step 5: Solve for x
    x = 407,156,765,514,489,024/709,235,999.55
  6. Step 6: Final answer
    x = 574,077,973.73

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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.