Home / 199,465,239,045.60-299,496,414,469.40-172,656,951,895.72

Finding the Fourth Proportional to 199,465,239,045.60, 299,496,414,469.40 and 172,656,951,895.72

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Solution

The fourth proportional to 199,465,239,045.60, 299,496,414,469.40 and 172,656,951,895.72 is: 259,243,857,593.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,465,239,045.60 : 299,496,414,469.40 = 172,656,951,895.72 : x
  2. Step 2: Convert to fraction form
    199,465,239,045.60/299,496,414,469.40 = 172,656,951,895.72/x
  3. Step 3: Cross multiply
    199,465,239,045.60x = 299,496,414,469.40 × 172,656,951,895.72
  4. Step 4: Simplify right side
    199,465,239,045.60x = 51,710,138,025,983,818,596,352
  5. Step 5: Solve for x
    x = 51,710,138,025,983,818,596,352/199,465,239,045.60
  6. Step 6: Final answer
    x = 259,243,857,593.46

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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.