Home / 276,216,308,393.28-381,174,482,055.60-154,282,777,886.40

Finding the Fourth Proportional to 276,216,308,393.28, 381,174,482,055.60 and 154,282,777,886.40

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Solution

The fourth proportional to 276,216,308,393.28, 381,174,482,055.60 and 154,282,777,886.40 is: 212,907,986,110.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,216,308,393.28 : 381,174,482,055.60 = 154,282,777,886.40 : x
  2. Step 2: Convert to fraction form
    276,216,308,393.28/381,174,482,055.60 = 154,282,777,886.40/x
  3. Step 3: Cross multiply
    276,216,308,393.28x = 381,174,482,055.60 × 154,282,777,886.40
  4. Step 4: Simplify right side
    276,216,308,393.28x = 58,808,657,950,947,688,841,216
  5. Step 5: Solve for x
    x = 58,808,657,950,947,688,841,216/276,216,308,393.28
  6. Step 6: Final answer
    x = 212,907,986,110.71

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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.