Home / 672,607,109.60-1,008,910,664.40-187,932,917.60

Finding the Fourth Proportional to 672,607,109.60, 1,008,910,664.40 and 187,932,917.60

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Solution

The fourth proportional to 672,607,109.60, 1,008,910,664.40 and 187,932,917.60 is: 281,899,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,607,109.60 : 1,008,910,664.40 = 187,932,917.60 : x
  2. Step 2: Convert to fraction form
    672,607,109.60/1,008,910,664.40 = 187,932,917.60/x
  3. Step 3: Cross multiply
    672,607,109.60x = 1,008,910,664.40 × 187,932,917.60
  4. Step 4: Simplify right side
    672,607,109.60x = 189,607,524,758,446,432
  5. Step 5: Solve for x
    x = 189,607,524,758,446,432/672,607,109.60
  6. Step 6: Final answer
    x = 281,899,376.40

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1.5x scale

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.