Home / 708,589,432.80-1,062,884,149.20-345,792,376.80

Finding the Fourth Proportional to 708,589,432.80, 1,062,884,149.20 and 345,792,376.80

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Solution

The fourth proportional to 708,589,432.80, 1,062,884,149.20 and 345,792,376.80 is: 518,688,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,589,432.80 : 1,062,884,149.20 = 345,792,376.80 : x
  2. Step 2: Convert to fraction form
    708,589,432.80/1,062,884,149.20 = 345,792,376.80/x
  3. Step 3: Cross multiply
    708,589,432.80x = 1,062,884,149.20 × 345,792,376.80
  4. Step 4: Simplify right side
    708,589,432.80x = 367,537,236,214,913,856
  5. Step 5: Solve for x
    x = 367,537,236,214,913,856/708,589,432.80
  6. Step 6: Final answer
    x = 518,688,565.20

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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.