Home / 1,489,656,687.40-2,234,485,031.10-1,326,079,147.60

Finding the Fourth Proportional to 1,489,656,687.40, 2,234,485,031.10 and 1,326,079,147.60

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Solution

The fourth proportional to 1,489,656,687.40, 2,234,485,031.10 and 1,326,079,147.60 is: 1,989,118,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,656,687.40 : 2,234,485,031.10 = 1,326,079,147.60 : x
  2. Step 2: Convert to fraction form
    1,489,656,687.40/2,234,485,031.10 = 1,326,079,147.60/x
  3. Step 3: Cross multiply
    1,489,656,687.40x = 2,234,485,031.10 × 1,326,079,147.60
  4. Step 4: Simplify right side
    1,489,656,687.40x = 2,963,104,005,366,047,232
  5. Step 5: Solve for x
    x = 2,963,104,005,366,047,232/1,489,656,687.40
  6. Step 6: Final answer
    x = 1,989,118,721.40

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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.