Home / 276,216,308,383.28-381,174,482,041.80-154,282,777,876.40

Finding the Fourth Proportional to 276,216,308,383.28, 381,174,482,041.80 and 154,282,777,876.40

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Solution

The fourth proportional to 276,216,308,383.28, 381,174,482,041.80 and 154,282,777,876.40 is: 212,907,986,096.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,216,308,383.28 : 381,174,482,041.80 = 154,282,777,876.40 : x
  2. Step 2: Convert to fraction form
    276,216,308,383.28/381,174,482,041.80 = 154,282,777,876.40/x
  3. Step 3: Cross multiply
    276,216,308,383.28x = 381,174,482,041.80 × 154,282,777,876.40
  4. Step 4: Simplify right side
    276,216,308,383.28x = 58,808,657,945,006,843,101,184
  5. Step 5: Solve for x
    x = 58,808,657,945,006,843,101,184/276,216,308,383.28
  6. Step 6: Final answer
    x = 212,907,986,096.91

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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.