Home / 372,264,009.60-558,396,014.40-340,015,382.40

Finding the Fourth Proportional to 372,264,009.60, 558,396,014.40 and 340,015,382.40

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Solution

The fourth proportional to 372,264,009.60, 558,396,014.40 and 340,015,382.40 is: 510,023,073.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,264,009.60 : 558,396,014.40 = 340,015,382.40 : x
  2. Step 2: Convert to fraction form
    372,264,009.60/558,396,014.40 = 340,015,382.40/x
  3. Step 3: Cross multiply
    372,264,009.60x = 558,396,014.40 × 340,015,382.40
  4. Step 4: Simplify right side
    372,264,009.60x = 189,863,234,366,851,872
  5. Step 5: Solve for x
    x = 189,863,234,366,851,872/372,264,009.60
  6. Step 6: Final answer
    x = 510,023,073.60

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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.