Home / 293,126,677.60-439,690,016.40-286,408,213.60

Finding the Fourth Proportional to 293,126,677.60, 439,690,016.40 and 286,408,213.60

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Solution

The fourth proportional to 293,126,677.60, 439,690,016.40 and 286,408,213.60 is: 429,612,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,126,677.60 : 439,690,016.40 = 286,408,213.60 : x
  2. Step 2: Convert to fraction form
    293,126,677.60/439,690,016.40 = 286,408,213.60/x
  3. Step 3: Cross multiply
    293,126,677.60x = 439,690,016.40 × 286,408,213.60
  4. Step 4: Simplify right side
    293,126,677.60x = 125,930,832,134,878,704
  5. Step 5: Solve for x
    x = 125,930,832,134,878,704/293,126,677.60
  6. Step 6: Final answer
    x = 429,612,320.40

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1.5x scale

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.