Home / 678,231,314.10-1,017,346,971.15-672,491,751.30

Finding the Fourth Proportional to 678,231,314.10, 1,017,346,971.15 and 672,491,751.30

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Solution

The fourth proportional to 678,231,314.10, 1,017,346,971.15 and 672,491,751.30 is: 1,008,737,626.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,231,314.10 : 1,017,346,971.15 = 672,491,751.30 : x
  2. Step 2: Convert to fraction form
    678,231,314.10/1,017,346,971.15 = 672,491,751.30/x
  3. Step 3: Cross multiply
    678,231,314.10x = 1,017,346,971.15 × 672,491,751.30
  4. Step 4: Simplify right side
    678,231,314.10x = 684,157,446,308,413,952
  5. Step 5: Solve for x
    x = 684,157,446,308,413,952/678,231,314.10
  6. Step 6: Final answer
    x = 1,008,737,626.95

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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.