Home / 1,181,088,035.20-1,771,632,052.80-492,340,499.20

Finding the Fourth Proportional to 1,181,088,035.20, 1,771,632,052.80 and 492,340,499.20

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Solution

The fourth proportional to 1,181,088,035.20, 1,771,632,052.80 and 492,340,499.20 is: 738,510,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,088,035.20 : 1,771,632,052.80 = 492,340,499.20 : x
  2. Step 2: Convert to fraction form
    1,181,088,035.20/1,771,632,052.80 = 492,340,499.20/x
  3. Step 3: Cross multiply
    1,181,088,035.20x = 1,771,632,052.80 × 492,340,499.20
  4. Step 4: Simplify right side
    1,181,088,035.20x = 872,246,209,274,272,768
  5. Step 5: Solve for x
    x = 872,246,209,274,272,768/1,181,088,035.20
  6. Step 6: Final answer
    x = 738,510,748.80

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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.