Home / 398,618,560.80-597,927,841.20-358,441,621.20

Finding the Fourth Proportional to 398,618,560.80, 597,927,841.20 and 358,441,621.20

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Solution

The fourth proportional to 398,618,560.80, 597,927,841.20 and 358,441,621.20 is: 537,662,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,618,560.80 : 597,927,841.20 = 358,441,621.20 : x
  2. Step 2: Convert to fraction form
    398,618,560.80/597,927,841.20 = 358,441,621.20/x
  3. Step 3: Cross multiply
    398,618,560.80x = 597,927,841.20 × 358,441,621.20
  4. Step 4: Simplify right side
    398,618,560.80x = 214,322,224,760,344,160
  5. Step 5: Solve for x
    x = 214,322,224,760,344,160/398,618,560.80
  6. Step 6: Final answer
    x = 537,662,431.80

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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.