Home / 498,752,627.43-688,249,044.61-275,721,008.32

Finding the Fourth Proportional to 498,752,627.43, 688,249,044.61 and 275,721,008.32

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Solution

The fourth proportional to 498,752,627.43, 688,249,044.61 and 275,721,008.32 is: 380,478,638.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,752,627.43 : 688,249,044.61 = 275,721,008.32 : x
  2. Step 2: Convert to fraction form
    498,752,627.43/688,249,044.61 = 275,721,008.32/x
  3. Step 3: Cross multiply
    498,752,627.43x = 688,249,044.61 × 275,721,008.32
  4. Step 4: Simplify right side
    498,752,627.43x = 189,764,720,555,145,856
  5. Step 5: Solve for x
    x = 189,764,720,555,145,856/498,752,627.43
  6. Step 6: Final answer
    x = 380,478,638.34

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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.