Home / 378,377,885.40-567,650,808.90-173,856,643.80

Finding the Fourth Proportional to 378,377,885.40, 567,650,808.90 and 173,856,643.80

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Solution

The fourth proportional to 378,377,885.40, 567,650,808.90 and 173,856,643.80 is: 260,823,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,377,885.40 : 567,650,808.90 = 173,856,643.80 : x
  2. Step 2: Convert to fraction form
    378,377,885.40/567,650,808.90 = 173,856,643.80/x
  3. Step 3: Cross multiply
    378,377,885.40x = 567,650,808.90 × 173,856,643.80
  4. Step 4: Simplify right side
    378,377,885.40x = 98,689,864,485,709,168
  5. Step 5: Solve for x
    x = 98,689,864,485,709,168/378,377,885.40
  6. Step 6: Final answer
    x = 260,823,553.10

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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.