Home / 1,254,979,670.28-1,882,699,345.93-517,647,351.54

Finding the Fourth Proportional to 1,254,979,670.28, 1,882,699,345.93 and 517,647,351.54

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Solution

The fourth proportional to 1,254,979,670.28, 1,882,699,345.93 and 517,647,351.54 is: 776,565,830.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,979,670.28 : 1,882,699,345.93 = 517,647,351.54 : x
  2. Step 2: Convert to fraction form
    1,254,979,670.28/1,882,699,345.93 = 517,647,351.54/x
  3. Step 3: Cross multiply
    1,254,979,670.28x = 1,882,699,345.93 × 517,647,351.54
  4. Step 4: Simplify right side
    1,254,979,670.28x = 974,574,330,172,073,728
  5. Step 5: Solve for x
    x = 974,574,330,172,073,728/1,254,979,670.28
  6. Step 6: Final answer
    x = 776,565,830.71

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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.