Home / 417,953,412.36-576,760,998.42-229,780,336.20

Finding the Fourth Proportional to 417,953,412.36, 576,760,998.42 and 229,780,336.20

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Solution

The fourth proportional to 417,953,412.36, 576,760,998.42 and 229,780,336.20 is: 317,088,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,953,412.36 : 576,760,998.42 = 229,780,336.20 : x
  2. Step 2: Convert to fraction form
    417,953,412.36/576,760,998.42 = 229,780,336.20/x
  3. Step 3: Cross multiply
    417,953,412.36x = 576,760,998.42 × 229,780,336.20
  4. Step 4: Simplify right side
    417,953,412.36x = 132,528,336,123,995,248
  5. Step 5: Solve for x
    x = 132,528,336,123,995,248/417,953,412.36
  6. Step 6: Final answer
    x = 317,088,776.42

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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.