Home / 1,326,925,272.20-1,990,387,908.30-1,245,136,502.30

Finding the Fourth Proportional to 1,326,925,272.20, 1,990,387,908.30 and 1,245,136,502.30

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Solution

The fourth proportional to 1,326,925,272.20, 1,990,387,908.30 and 1,245,136,502.30 is: 1,867,704,753.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,925,272.20 : 1,990,387,908.30 = 1,245,136,502.30 : x
  2. Step 2: Convert to fraction form
    1,326,925,272.20/1,990,387,908.30 = 1,245,136,502.30/x
  3. Step 3: Cross multiply
    1,326,925,272.20x = 1,990,387,908.30 × 1,245,136,502.30
  4. Step 4: Simplify right side
    1,326,925,272.20x = 2,478,304,638,360,875,008
  5. Step 5: Solve for x
    x = 2,478,304,638,360,875,008/1,326,925,272.20
  6. Step 6: Final answer
    x = 1,867,704,753.45

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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.