Home / 647,034,007.20-970,551,010.80-532,148,272.80

Finding the Fourth Proportional to 647,034,007.20, 970,551,010.80 and 532,148,272.80

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Solution

The fourth proportional to 647,034,007.20, 970,551,010.80 and 532,148,272.80 is: 798,222,409.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,034,007.20 : 970,551,010.80 = 532,148,272.80 : x
  2. Step 2: Convert to fraction form
    647,034,007.20/970,551,010.80 = 532,148,272.80/x
  3. Step 3: Cross multiply
    647,034,007.20x = 970,551,010.80 × 532,148,272.80
  4. Step 4: Simplify right side
    647,034,007.20x = 516,477,044,061,514,112
  5. Step 5: Solve for x
    x = 516,477,044,061,514,112/647,034,007.20
  6. Step 6: Final answer
    x = 798,222,409.20

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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.