Home / 343,030,631.13-513,199,013.76-264,715,861.32

Finding the Fourth Proportional to 343,030,631.13, 513,199,013.76 and 264,715,861.32

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Solution

The fourth proportional to 343,030,631.13, 513,199,013.76 and 264,715,861.32 is: 396,034,367.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,030,631.13 : 513,199,013.76 = 264,715,861.32 : x
  2. Step 2: Convert to fraction form
    343,030,631.13/513,199,013.76 = 264,715,861.32/x
  3. Step 3: Cross multiply
    343,030,631.13x = 513,199,013.76 × 264,715,861.32
  4. Step 4: Simplify right side
    343,030,631.13x = 135,851,918,956,052,928
  5. Step 5: Solve for x
    x = 135,851,918,956,052,928/343,030,631.13
  6. Step 6: Final answer
    x = 396,034,367.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.