Home / 540,499,512.60-810,749,268.90-310,917,000.60

Finding the Fourth Proportional to 540,499,512.60, 810,749,268.90 and 310,917,000.60

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Solution

The fourth proportional to 540,499,512.60, 810,749,268.90 and 310,917,000.60 is: 466,375,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,499,512.60 : 810,749,268.90 = 310,917,000.60 : x
  2. Step 2: Convert to fraction form
    540,499,512.60/810,749,268.90 = 310,917,000.60/x
  3. Step 3: Cross multiply
    540,499,512.60x = 810,749,268.90 × 310,917,000.60
  4. Step 4: Simplify right side
    540,499,512.60x = 252,075,730,925,030,880
  5. Step 5: Solve for x
    x = 252,075,730,925,030,880/540,499,512.60
  6. Step 6: Final answer
    x = 466,375,500.90

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Double scale
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Similar ratio
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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.