Home / 498,752,626.43-688,249,043.24-275,721,007.32

Finding the Fourth Proportional to 498,752,626.43, 688,249,043.24 and 275,721,007.32

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Solution

The fourth proportional to 498,752,626.43, 688,249,043.24 and 275,721,007.32 is: 380,478,636.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,752,626.43 : 688,249,043.24 = 275,721,007.32 : x
  2. Step 2: Convert to fraction form
    498,752,626.43/688,249,043.24 = 275,721,007.32/x
  3. Step 3: Cross multiply
    498,752,626.43x = 688,249,043.24 × 275,721,007.32
  4. Step 4: Simplify right side
    498,752,626.43x = 189,764,719,487,780,416
  5. Step 5: Solve for x
    x = 189,764,719,487,780,416/498,752,626.43
  6. Step 6: Final answer
    x = 380,478,636.97

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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.