Home / 1,566,413,988.15-2,349,888,666.71-645,787,065.27

Finding the Fourth Proportional to 1,566,413,988.15, 2,349,888,666.71 and 645,787,065.27

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Solution

The fourth proportional to 1,566,413,988.15, 2,349,888,666.71 and 645,787,065.27 is: 968,790,956.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,413,988.15 : 2,349,888,666.71 = 645,787,065.27 : x
  2. Step 2: Convert to fraction form
    1,566,413,988.15/2,349,888,666.71 = 645,787,065.27/x
  3. Step 3: Cross multiply
    1,566,413,988.15x = 2,349,888,666.71 × 645,787,065.27
  4. Step 4: Simplify right side
    1,566,413,988.15x = 1,517,527,705,782,654,976
  5. Step 5: Solve for x
    x = 1,517,527,705,782,654,976/1,566,413,988.15
  6. Step 6: Final answer
    x = 968,790,956.45

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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.