Home / 672,607,029.60-1,008,910,544.40-187,932,837.60

Finding the Fourth Proportional to 672,607,029.60, 1,008,910,544.40 and 187,932,837.60

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Solution

The fourth proportional to 672,607,029.60, 1,008,910,544.40 and 187,932,837.60 is: 281,899,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,607,029.60 : 1,008,910,544.40 = 187,932,837.60 : x
  2. Step 2: Convert to fraction form
    672,607,029.60/1,008,910,544.40 = 187,932,837.60/x
  3. Step 3: Cross multiply
    672,607,029.60x = 1,008,910,544.40 × 187,932,837.60
  4. Step 4: Simplify right side
    672,607,029.60x = 189,607,421,493,652,768
  5. Step 5: Solve for x
    x = 189,607,421,493,652,768/672,607,029.60
  6. Step 6: Final answer
    x = 281,899,256.40

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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.