Home / 684,288,002.20-1,026,432,003.30-660,101,531.80

Finding the Fourth Proportional to 684,288,002.20, 1,026,432,003.30 and 660,101,531.80

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Solution

The fourth proportional to 684,288,002.20, 1,026,432,003.30 and 660,101,531.80 is: 990,152,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,288,002.20 : 1,026,432,003.30 = 660,101,531.80 : x
  2. Step 2: Convert to fraction form
    684,288,002.20/1,026,432,003.30 = 660,101,531.80/x
  3. Step 3: Cross multiply
    684,288,002.20x = 1,026,432,003.30 × 660,101,531.80
  4. Step 4: Simplify right side
    684,288,002.20x = 677,549,337,666,872,576
  5. Step 5: Solve for x
    x = 677,549,337,666,872,576/684,288,002.20
  6. Step 6: Final answer
    x = 990,152,297.70

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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.