Home / 407,872,844.61-611,373,679.98-232,618,513.37

Finding the Fourth Proportional to 407,872,844.61, 611,373,679.98 and 232,618,513.37

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Solution

The fourth proportional to 407,872,844.61, 611,373,679.98 and 232,618,513.37 is: 348,679,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,872,844.61 : 611,373,679.98 = 232,618,513.37 : x
  2. Step 2: Convert to fraction form
    407,872,844.61/611,373,679.98 = 232,618,513.37/x
  3. Step 3: Cross multiply
    407,872,844.61x = 611,373,679.98 × 232,618,513.37
  4. Step 4: Simplify right side
    407,872,844.61x = 142,216,836,546,273,776
  5. Step 5: Solve for x
    x = 142,216,836,546,273,776/407,872,844.61
  6. Step 6: Final answer
    x = 348,679,345.60

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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.