Home / 687,240,133.60-1,030,860,200.40-250,555,063.90

Finding the Fourth Proportional to 687,240,133.60, 1,030,860,200.40 and 250,555,063.90

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Solution

The fourth proportional to 687,240,133.60, 1,030,860,200.40 and 250,555,063.90 is: 375,832,595.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,240,133.60 : 1,030,860,200.40 = 250,555,063.90 : x
  2. Step 2: Convert to fraction form
    687,240,133.60/1,030,860,200.40 = 250,555,063.90/x
  3. Step 3: Cross multiply
    687,240,133.60x = 1,030,860,200.40 × 250,555,063.90
  4. Step 4: Simplify right side
    687,240,133.60x = 258,287,243,383,188,800
  5. Step 5: Solve for x
    x = 258,287,243,383,188,800/687,240,133.60
  6. Step 6: Final answer
    x = 375,832,595.85

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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.