Home / 585,702,369.18-878,091,292.80-290,393,877.24

Finding the Fourth Proportional to 585,702,369.18, 878,091,292.80 and 290,393,877.24

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Solution

The fourth proportional to 585,702,369.18, 878,091,292.80 and 290,393,877.24 is: 435,361,624.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,702,369.18 : 878,091,292.80 = 290,393,877.24 : x
  2. Step 2: Convert to fraction form
    585,702,369.18/878,091,292.80 = 290,393,877.24/x
  3. Step 3: Cross multiply
    585,702,369.18x = 878,091,292.80 × 290,393,877.24
  4. Step 4: Simplify right side
    585,702,369.18x = 254,992,335,086,876,096
  5. Step 5: Solve for x
    x = 254,992,335,086,876,096/585,702,369.18
  6. Step 6: Final answer
    x = 435,361,624.79

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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.