Home / 632,719,910.72-873,162,490.64-364,790,442.88

Finding the Fourth Proportional to 632,719,910.72, 873,162,490.64 and 364,790,442.88

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Solution

The fourth proportional to 632,719,910.72, 873,162,490.64 and 364,790,442.88 is: 503,416,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,719,910.72 : 873,162,490.64 = 364,790,442.88 : x
  2. Step 2: Convert to fraction form
    632,719,910.72/873,162,490.64 = 364,790,442.88/x
  3. Step 3: Cross multiply
    632,719,910.72x = 873,162,490.64 × 364,790,442.88
  4. Step 4: Simplify right side
    632,719,910.72x = 318,521,331,666,769,472
  5. Step 5: Solve for x
    x = 318,521,331,666,769,472/632,719,910.72
  6. Step 6: Final answer
    x = 503,416,008.05

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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.