Home / 1,649,478,146.40-2,276,327,184.48-1,005,771,809.52

Finding the Fourth Proportional to 1,649,478,146.40, 2,276,327,184.48 and 1,005,771,809.52

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Solution

The fourth proportional to 1,649,478,146.40, 2,276,327,184.48 and 1,005,771,809.52 is: 1,387,993,964.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649,478,146.40 : 2,276,327,184.48 = 1,005,771,809.52 : x
  2. Step 2: Convert to fraction form
    1,649,478,146.40/2,276,327,184.48 = 1,005,771,809.52/x
  3. Step 3: Cross multiply
    1,649,478,146.40x = 2,276,327,184.48 × 1,005,771,809.52
  4. Step 4: Simplify right side
    1,649,478,146.40x = 2,289,465,711,394,016,512
  5. Step 5: Solve for x
    x = 2,289,465,711,394,016,512/1,649,478,146.40
  6. Step 6: Final answer
    x = 1,387,993,964.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.