Home / 898,157,520.60-1,347,236,280.90-407,106,036.60

Finding the Fourth Proportional to 898,157,520.60, 1,347,236,280.90 and 407,106,036.60

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Solution

The fourth proportional to 898,157,520.60, 1,347,236,280.90 and 407,106,036.60 is: 610,659,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,157,520.60 : 1,347,236,280.90 = 407,106,036.60 : x
  2. Step 2: Convert to fraction form
    898,157,520.60/1,347,236,280.90 = 407,106,036.60/x
  3. Step 3: Cross multiply
    898,157,520.60x = 1,347,236,280.90 × 407,106,036.60
  4. Step 4: Simplify right side
    898,157,520.60x = 548,468,022,680,923,328
  5. Step 5: Solve for x
    x = 548,468,022,680,923,328/898,157,520.60
  6. Step 6: Final answer
    x = 610,659,054.90

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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.