Home / 3,989,952,002.40-5,984,928,003.60-1,660,114,658.40

Finding the Fourth Proportional to 3,989,952,002.40, 5,984,928,003.60 and 1,660,114,658.40

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Solution

The fourth proportional to 3,989,952,002.40, 5,984,928,003.60 and 1,660,114,658.40 is: 2,490,171,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,952,002.40 : 5,984,928,003.60 = 1,660,114,658.40 : x
  2. Step 2: Convert to fraction form
    3,989,952,002.40/5,984,928,003.60 = 1,660,114,658.40/x
  3. Step 3: Cross multiply
    3,989,952,002.40x = 5,984,928,003.60 × 1,660,114,658.40
  4. Step 4: Simplify right side
    3,989,952,002.40x = 9,935,666,708,245,008,384
  5. Step 5: Solve for x
    x = 9,935,666,708,245,008,384/3,989,952,002.40
  6. Step 6: Final answer
    x = 2,490,171,987.60

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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.