Home / 715,392,005.20-1,073,088,007.80-204,788,741.20

Finding the Fourth Proportional to 715,392,005.20, 1,073,088,007.80 and 204,788,741.20

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Solution

The fourth proportional to 715,392,005.20, 1,073,088,007.80 and 204,788,741.20 is: 307,183,111.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,392,005.20 : 1,073,088,007.80 = 204,788,741.20 : x
  2. Step 2: Convert to fraction form
    715,392,005.20/1,073,088,007.80 = 204,788,741.20/x
  3. Step 3: Cross multiply
    715,392,005.20x = 1,073,088,007.80 × 204,788,741.20
  4. Step 4: Simplify right side
    715,392,005.20x = 219,756,342,314,177,760
  5. Step 5: Solve for x
    x = 219,756,342,314,177,760/715,392,005.20
  6. Step 6: Final answer
    x = 307,183,111.80

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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.