Home / 898,157,519.60-1,347,236,279.40-407,106,035.60

Finding the Fourth Proportional to 898,157,519.60, 1,347,236,279.40 and 407,106,035.60

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Solution

The fourth proportional to 898,157,519.60, 1,347,236,279.40 and 407,106,035.60 is: 610,659,053.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,157,519.60 : 1,347,236,279.40 = 407,106,035.60 : x
  2. Step 2: Convert to fraction form
    898,157,519.60/1,347,236,279.40 = 407,106,035.60/x
  3. Step 3: Cross multiply
    898,157,519.60x = 1,347,236,279.40 × 407,106,035.60
  4. Step 4: Simplify right side
    898,157,519.60x = 548,468,020,723,028,032
  5. Step 5: Solve for x
    x = 548,468,020,723,028,032/898,157,519.60
  6. Step 6: Final answer
    x = 610,659,053.40

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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.