Home / 413,698,964.28-570,910,904.46-225,527,368.38

Finding the Fourth Proportional to 413,698,964.28, 570,910,904.46 and 225,527,368.38

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Solution

The fourth proportional to 413,698,964.28, 570,910,904.46 and 225,527,368.38 is: 311,231,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,698,964.28 : 570,910,904.46 = 225,527,368.38 : x
  2. Step 2: Convert to fraction form
    413,698,964.28/570,910,904.46 = 225,527,368.38/x
  3. Step 3: Cross multiply
    413,698,964.28x = 570,910,904.46 × 225,527,368.38
  4. Step 4: Simplify right side
    413,698,964.28x = 128,756,033,862,309,408
  5. Step 5: Solve for x
    x = 128,756,033,862,309,408/413,698,964.28
  6. Step 6: Final answer
    x = 311,231,221.20

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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.