Home / 2,872,785,520.78-3,964,442,228-1,552,686,076.78

Finding the Fourth Proportional to 2,872,785,520.78, 3,964,442,228 and 1,552,686,076.78

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Solution

The fourth proportional to 2,872,785,520.78, 3,964,442,228 and 1,552,686,076.78 is: 2,142,705,818.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,785,520.78 : 3,964,442,228 = 1,552,686,076.78 : x
  2. Step 2: Convert to fraction form
    2,872,785,520.78/3,964,442,228 = 1,552,686,076.78/x
  3. Step 3: Cross multiply
    2,872,785,520.78x = 3,964,442,228 × 1,552,686,076.78
  4. Step 4: Simplify right side
    2,872,785,520.78x = 6,155,534,249,614,281,728
  5. Step 5: Solve for x
    x = 6,155,534,249,614,281,728/2,872,785,520.78
  6. Step 6: Final answer
    x = 2,142,705,818.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.