Home / 906,391,805.60-1,359,587,708.40-293,415,946.40

Finding the Fourth Proportional to 906,391,805.60, 1,359,587,708.40 and 293,415,946.40

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Solution

The fourth proportional to 906,391,805.60, 1,359,587,708.40 and 293,415,946.40 is: 440,123,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,391,805.60 : 1,359,587,708.40 = 293,415,946.40 : x
  2. Step 2: Convert to fraction form
    906,391,805.60/1,359,587,708.40 = 293,415,946.40/x
  3. Step 3: Cross multiply
    906,391,805.60x = 1,359,587,708.40 × 293,415,946.40
  4. Step 4: Simplify right side
    906,391,805.60x = 398,924,714,173,993,216
  5. Step 5: Solve for x
    x = 398,924,714,173,993,216/906,391,805.60
  6. Step 6: Final answer
    x = 440,123,919.60

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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.