Home / 2,872,785,519.78-3,964,442,226.62-1,552,686,075.78

Finding the Fourth Proportional to 2,872,785,519.78, 3,964,442,226.62 and 1,552,686,075.78

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Solution

The fourth proportional to 2,872,785,519.78, 3,964,442,226.62 and 1,552,686,075.78 is: 2,142,705,816.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,785,519.78 : 3,964,442,226.62 = 1,552,686,075.78 : x
  2. Step 2: Convert to fraction form
    2,872,785,519.78/3,964,442,226.62 = 1,552,686,075.78/x
  3. Step 3: Cross multiply
    2,872,785,519.78x = 3,964,442,226.62 × 1,552,686,075.78
  4. Step 4: Simplify right side
    2,872,785,519.78x = 6,155,534,243,499,369,472
  5. Step 5: Solve for x
    x = 6,155,534,243,499,369,472/2,872,785,519.78
  6. Step 6: Final answer
    x = 2,142,705,816.75

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1.5x scale

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.