Home / 346,505,822.39-478,178,034.90-207,282,452.15

Finding the Fourth Proportional to 346,505,822.39, 478,178,034.90 and 207,282,452.15

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Solution

The fourth proportional to 346,505,822.39, 478,178,034.90 and 207,282,452.15 is: 286,049,783.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,505,822.39 : 478,178,034.90 = 207,282,452.15 : x
  2. Step 2: Convert to fraction form
    346,505,822.39/478,178,034.90 = 207,282,452.15/x
  3. Step 3: Cross multiply
    346,505,822.39x = 478,178,034.90 × 207,282,452.15
  4. Step 4: Simplify right side
    346,505,822.39x = 99,117,915,635,949,392
  5. Step 5: Solve for x
    x = 99,117,915,635,949,392/346,505,822.39
  6. Step 6: Final answer
    x = 286,049,783.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.