Home / 472,840,062.80-709,260,094.20-408,216,837.20

Finding the Fourth Proportional to 472,840,062.80, 709,260,094.20 and 408,216,837.20

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Solution

The fourth proportional to 472,840,062.80, 709,260,094.20 and 408,216,837.20 is: 612,325,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,840,062.80 : 709,260,094.20 = 408,216,837.20 : x
  2. Step 2: Convert to fraction form
    472,840,062.80/709,260,094.20 = 408,216,837.20/x
  3. Step 3: Cross multiply
    472,840,062.80x = 709,260,094.20 × 408,216,837.20
  4. Step 4: Simplify right side
    472,840,062.80x = 289,531,912,406,498,048
  5. Step 5: Solve for x
    x = 289,531,912,406,498,048/472,840,062.80
  6. Step 6: Final answer
    x = 612,325,255.80

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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.