Home / 388,610,631.23-582,322,789.35-230,732,752.14

Finding the Fourth Proportional to 388,610,631.23, 582,322,789.35 and 230,732,752.14

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Solution

The fourth proportional to 388,610,631.23, 582,322,789.35 and 230,732,752.14 is: 345,746,948.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,610,631.23 : 582,322,789.35 = 230,732,752.14 : x
  2. Step 2: Convert to fraction form
    388,610,631.23/582,322,789.35 = 230,732,752.14/x
  3. Step 3: Cross multiply
    388,610,631.23x = 582,322,789.35 × 230,732,752.14
  4. Step 4: Simplify right side
    388,610,631.23x = 134,360,939,820,566,976
  5. Step 5: Solve for x
    x = 134,360,939,820,566,976/388,610,631.23
  6. Step 6: Final answer
    x = 345,746,948.29

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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.