Home / 276,216,308,381.28-381,174,482,039.04-154,282,777,874.40

Finding the Fourth Proportional to 276,216,308,381.28, 381,174,482,039.04 and 154,282,777,874.40

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Solution

The fourth proportional to 276,216,308,381.28, 381,174,482,039.04 and 154,282,777,874.40 is: 212,907,986,094.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,216,308,381.28 : 381,174,482,039.04 = 154,282,777,874.40 : x
  2. Step 2: Convert to fraction form
    276,216,308,381.28/381,174,482,039.04 = 154,282,777,874.40/x
  3. Step 3: Cross multiply
    276,216,308,381.28x = 381,174,482,039.04 × 154,282,777,874.40
  4. Step 4: Simplify right side
    276,216,308,381.28x = 58,808,657,943,818,672,275,456
  5. Step 5: Solve for x
    x = 58,808,657,943,818,672,275,456/276,216,308,381.28
  6. Step 6: Final answer
    x = 212,907,986,094.15

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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.