Home / 625,387,582.28-938,225,490.78-216,443,737.64

Finding the Fourth Proportional to 625,387,582.28, 938,225,490.78 and 216,443,737.64

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Solution

The fourth proportional to 625,387,582.28, 938,225,490.78 and 216,443,737.64 is: 324,715,484.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,387,582.28 : 938,225,490.78 = 216,443,737.64 : x
  2. Step 2: Convert to fraction form
    625,387,582.28/938,225,490.78 = 216,443,737.64/x
  3. Step 3: Cross multiply
    625,387,582.28x = 938,225,490.78 × 216,443,737.64
  4. Step 4: Simplify right side
    625,387,582.28x = 203,073,031,973,546,528
  5. Step 5: Solve for x
    x = 203,073,031,973,546,528/625,387,582.28
  6. Step 6: Final answer
    x = 324,715,484.81

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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.