Home / 361,272,483.42-498,516,043.78-200,332,420.58

Finding the Fourth Proportional to 361,272,483.42, 498,516,043.78 and 200,332,420.58

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Solution

The fourth proportional to 361,272,483.42, 498,516,043.78 and 200,332,420.58 is: 276,436,568.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,272,483.42 : 498,516,043.78 = 200,332,420.58 : x
  2. Step 2: Convert to fraction form
    361,272,483.42/498,516,043.78 = 200,332,420.58/x
  3. Step 3: Cross multiply
    361,272,483.42x = 498,516,043.78 × 200,332,420.58
  4. Step 4: Simplify right side
    361,272,483.42x = 99,868,925,748,412,656
  5. Step 5: Solve for x
    x = 99,868,925,748,412,656/361,272,483.42
  6. Step 6: Final answer
    x = 276,436,568.88

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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.