Home / 808,354,920.60-1,212,532,380.90-502,244,904.60

Finding the Fourth Proportional to 808,354,920.60, 1,212,532,380.90 and 502,244,904.60

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Solution

The fourth proportional to 808,354,920.60, 1,212,532,380.90 and 502,244,904.60 is: 753,367,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,354,920.60 : 1,212,532,380.90 = 502,244,904.60 : x
  2. Step 2: Convert to fraction form
    808,354,920.60/1,212,532,380.90 = 502,244,904.60/x
  3. Step 3: Cross multiply
    808,354,920.60x = 1,212,532,380.90 × 502,244,904.60
  4. Step 4: Simplify right side
    808,354,920.60x = 608,988,209,969,531,392
  5. Step 5: Solve for x
    x = 608,988,209,969,531,392/808,354,920.60
  6. Step 6: Final answer
    x = 753,367,356.90

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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.