Home / 1,566,413,991.43-2,349,888,671.64-645,787,068.55

Finding the Fourth Proportional to 1,566,413,991.43, 2,349,888,671.64 and 645,787,068.55

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Solution

The fourth proportional to 1,566,413,991.43, 2,349,888,671.64 and 645,787,068.55 is: 968,790,961.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,413,991.43 : 2,349,888,671.64 = 645,787,068.55 : x
  2. Step 2: Convert to fraction form
    1,566,413,991.43/2,349,888,671.64 = 645,787,068.55/x
  3. Step 3: Cross multiply
    1,566,413,991.43x = 2,349,888,671.64 × 645,787,068.55
  4. Step 4: Simplify right side
    1,566,413,991.43x = 1,517,527,716,674,020,096
  5. Step 5: Solve for x
    x = 1,517,527,716,674,020,096/1,566,413,991.43
  6. Step 6: Final answer
    x = 968,790,961.38

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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.