Home / 472,393,091.20-708,589,636.80-230,528,387.20

Finding the Fourth Proportional to 472,393,091.20, 708,589,636.80 and 230,528,387.20

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Solution

The fourth proportional to 472,393,091.20, 708,589,636.80 and 230,528,387.20 is: 345,792,580.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,091.20 : 708,589,636.80 = 230,528,387.20 : x
  2. Step 2: Convert to fraction form
    472,393,091.20/708,589,636.80 = 230,528,387.20/x
  3. Step 3: Cross multiply
    472,393,091.20x = 708,589,636.80 × 230,528,387.20
  4. Step 4: Simplify right side
    472,393,091.20x = 163,350,026,158,137,760
  5. Step 5: Solve for x
    x = 163,350,026,158,137,760/472,393,091.20
  6. Step 6: Final answer
    x = 345,792,580.80

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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.