Home / 310,986,712,255.10-466,480,068,382.64-87,396,662,540.98

Finding the Fourth Proportional to 310,986,712,255.10, 466,480,068,382.64 and 87,396,662,540.98

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Solution

The fourth proportional to 310,986,712,255.10, 466,480,068,382.64 and 87,396,662,540.98 is: 131,094,993,811.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,986,712,255.10 : 466,480,068,382.64 = 87,396,662,540.98 : x
  2. Step 2: Convert to fraction form
    310,986,712,255.10/466,480,068,382.64 = 87,396,662,540.98/x
  3. Step 3: Cross multiply
    310,986,712,255.10x = 466,480,068,382.64 × 87,396,662,540.98
  4. Step 4: Simplify right side
    310,986,712,255.10x = 40,768,801,118,530,861,793,280
  5. Step 5: Solve for x
    x = 40,768,801,118,530,861,793,280/310,986,712,255.10
  6. Step 6: Final answer
    x = 131,094,993,811.47

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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.