Home / 372,264,006.10-558,396,009.15-340,015,378.90

Finding the Fourth Proportional to 372,264,006.10, 558,396,009.15 and 340,015,378.90

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Solution

The fourth proportional to 372,264,006.10, 558,396,009.15 and 340,015,378.90 is: 510,023,068.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,264,006.10 : 558,396,009.15 = 340,015,378.90 : x
  2. Step 2: Convert to fraction form
    372,264,006.10/558,396,009.15 = 340,015,378.90/x
  3. Step 3: Cross multiply
    372,264,006.10x = 558,396,009.15 × 340,015,378.90
  4. Step 4: Simplify right side
    372,264,006.10x = 189,863,230,627,385,088
  5. Step 5: Solve for x
    x = 189,863,230,627,385,088/372,264,006.10
  6. Step 6: Final answer
    x = 510,023,068.35

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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.