Home / 1,566,413,990.47-2,349,888,670.17-645,787,067.59

Finding the Fourth Proportional to 1,566,413,990.47, 2,349,888,670.17 and 645,787,067.59

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Solution

The fourth proportional to 1,566,413,990.47, 2,349,888,670.17 and 645,787,067.59 is: 968,790,959.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,413,990.47 : 2,349,888,670.17 = 645,787,067.59 : x
  2. Step 2: Convert to fraction form
    1,566,413,990.47/2,349,888,670.17 = 645,787,067.59/x
  3. Step 3: Cross multiply
    1,566,413,990.47x = 2,349,888,670.17 × 645,787,067.59
  4. Step 4: Simplify right side
    1,566,413,990.47x = 1,517,527,713,472,049,152
  5. Step 5: Solve for x
    x = 1,517,527,713,472,049,152/1,566,413,990.47
  6. Step 6: Final answer
    x = 968,790,959.93

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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.