Home / 1,566,413,990.65-2,349,888,670.46-645,787,067.77

Finding the Fourth Proportional to 1,566,413,990.65, 2,349,888,670.46 and 645,787,067.77

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Solution

The fourth proportional to 1,566,413,990.65, 2,349,888,670.46 and 645,787,067.77 is: 968,790,960.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,413,990.65 : 2,349,888,670.46 = 645,787,067.77 : x
  2. Step 2: Convert to fraction form
    1,566,413,990.65/2,349,888,670.46 = 645,787,067.77/x
  3. Step 3: Cross multiply
    1,566,413,990.65x = 2,349,888,670.46 × 645,787,067.77
  4. Step 4: Simplify right side
    1,566,413,990.65x = 1,517,527,714,082,307,072
  5. Step 5: Solve for x
    x = 1,517,527,714,082,307,072/1,566,413,990.65
  6. Step 6: Final answer
    x = 968,790,960.21

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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.