Home / 1,096,097,689.20-1,644,146,533.80-278,209,990.20

Finding the Fourth Proportional to 1,096,097,689.20, 1,644,146,533.80 and 278,209,990.20

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Solution

The fourth proportional to 1,096,097,689.20, 1,644,146,533.80 and 278,209,990.20 is: 417,314,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,097,689.20 : 1,644,146,533.80 = 278,209,990.20 : x
  2. Step 2: Convert to fraction form
    1,096,097,689.20/1,644,146,533.80 = 278,209,990.20/x
  3. Step 3: Cross multiply
    1,096,097,689.20x = 1,644,146,533.80 × 278,209,990.20
  4. Step 4: Simplify right side
    1,096,097,689.20x = 457,417,991,055,861,952
  5. Step 5: Solve for x
    x = 457,417,991,055,861,952/1,096,097,689.20
  6. Step 6: Final answer
    x = 417,314,985.30

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Double scale
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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.