Home / 672,605,045.60-1,008,907,568.40-187,930,853.60

Finding the Fourth Proportional to 672,605,045.60, 1,008,907,568.40 and 187,930,853.60

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Solution

The fourth proportional to 672,605,045.60, 1,008,907,568.40 and 187,930,853.60 is: 281,896,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,605,045.60 : 1,008,907,568.40 = 187,930,853.60 : x
  2. Step 2: Convert to fraction form
    672,605,045.60/1,008,907,568.40 = 187,930,853.60/x
  3. Step 3: Cross multiply
    672,605,045.60x = 1,008,907,568.40 × 187,930,853.60
  4. Step 4: Simplify right side
    672,605,045.60x = 189,604,860,532,912,384
  5. Step 5: Solve for x
    x = 189,604,860,532,912,384/672,605,045.60
  6. Step 6: Final answer
    x = 281,896,280.40

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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.