Home / 672,078,794.60-1,008,118,191.90-289,872,842.60

Finding the Fourth Proportional to 672,078,794.60, 1,008,118,191.90 and 289,872,842.60

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Solution

The fourth proportional to 672,078,794.60, 1,008,118,191.90 and 289,872,842.60 is: 434,809,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,078,794.60 : 1,008,118,191.90 = 289,872,842.60 : x
  2. Step 2: Convert to fraction form
    672,078,794.60/1,008,118,191.90 = 289,872,842.60/x
  3. Step 3: Cross multiply
    672,078,794.60x = 1,008,118,191.90 × 289,872,842.60
  4. Step 4: Simplify right side
    672,078,794.60x = 292,226,085,962,825,344
  5. Step 5: Solve for x
    x = 292,226,085,962,825,344/672,078,794.60
  6. Step 6: Final answer
    x = 434,809,263.90

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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.