Home / 672,126,559.20-1,007,791,707.60-349,640,287.20

Finding the Fourth Proportional to 672,126,559.20, 1,007,791,707.60 and 349,640,287.20

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Solution

The fourth proportional to 672,126,559.20, 1,007,791,707.60 and 349,640,287.20 is: 524,253,322.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,126,559.20 : 1,007,791,707.60 = 349,640,287.20 : x
  2. Step 2: Convert to fraction form
    672,126,559.20/1,007,791,707.60 = 349,640,287.20/x
  3. Step 3: Cross multiply
    672,126,559.20x = 1,007,791,707.60 × 349,640,287.20
  4. Step 4: Simplify right side
    672,126,559.20x = 352,364,582,083,042,432
  5. Step 5: Solve for x
    x = 352,364,582,083,042,432/672,126,559.20
  6. Step 6: Final answer
    x = 524,253,322.92

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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.