Home / 478,462,022.10-717,693,033.15-206,364,230.10

Finding the Fourth Proportional to 478,462,022.10, 717,693,033.15 and 206,364,230.10

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Solution

The fourth proportional to 478,462,022.10, 717,693,033.15 and 206,364,230.10 is: 309,546,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,462,022.10 : 717,693,033.15 = 206,364,230.10 : x
  2. Step 2: Convert to fraction form
    478,462,022.10/717,693,033.15 = 206,364,230.10/x
  3. Step 3: Cross multiply
    478,462,022.10x = 717,693,033.15 × 206,364,230.10
  4. Step 4: Simplify right side
    478,462,022.10x = 148,106,170,234,133,504
  5. Step 5: Solve for x
    x = 148,106,170,234,133,504/478,462,022.10
  6. Step 6: Final answer
    x = 309,546,345.15

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Double scale
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Similar ratio
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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.