Home / 615,646,098.86-849,592,076.78-333,388,849.10

Finding the Fourth Proportional to 615,646,098.86, 849,592,076.78 and 333,388,849.10

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Solution

The fourth proportional to 615,646,098.86, 849,592,076.78 and 333,388,849.10 is: 460,076,861.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,646,098.86 : 849,592,076.78 = 333,388,849.10 : x
  2. Step 2: Convert to fraction form
    615,646,098.86/849,592,076.78 = 333,388,849.10/x
  3. Step 3: Cross multiply
    615,646,098.86x = 849,592,076.78 × 333,388,849.10
  4. Step 4: Simplify right side
    615,646,098.86x = 283,244,524,687,608,928
  5. Step 5: Solve for x
    x = 283,244,524,687,608,928/615,646,098.86
  6. Step 6: Final answer
    x = 460,076,861.06

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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.