Home / 906,391,820.60-1,359,587,730.90-293,415,961.40

Finding the Fourth Proportional to 906,391,820.60, 1,359,587,730.90 and 293,415,961.40

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Solution

The fourth proportional to 906,391,820.60, 1,359,587,730.90 and 293,415,961.40 is: 440,123,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,391,820.60 : 1,359,587,730.90 = 293,415,961.40 : x
  2. Step 2: Convert to fraction form
    906,391,820.60/1,359,587,730.90 = 293,415,961.40/x
  3. Step 3: Cross multiply
    906,391,820.60x = 1,359,587,730.90 × 293,415,961.40
  4. Step 4: Simplify right side
    906,391,820.60x = 398,924,741,169,667,968
  5. Step 5: Solve for x
    x = 398,924,741,169,667,968/906,391,820.60
  6. Step 6: Final answer
    x = 440,123,942.10

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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.