Home / 256,591,279.51-381,586,137.23-248,419,045.53

Finding the Fourth Proportional to 256,591,279.51, 381,586,137.23 and 248,419,045.53

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Solution

The fourth proportional to 256,591,279.51, 381,586,137.23 and 248,419,045.53 is: 369,432,913.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,591,279.51 : 381,586,137.23 = 248,419,045.53 : x
  2. Step 2: Convert to fraction form
    256,591,279.51/381,586,137.23 = 248,419,045.53/x
  3. Step 3: Cross multiply
    256,591,279.51x = 381,586,137.23 × 248,419,045.53
  4. Step 4: Simplify right side
    256,591,279.51x = 94,793,263,998,777,248
  5. Step 5: Solve for x
    x = 94,793,263,998,777,248/256,591,279.51
  6. Step 6: Final answer
    x = 369,432,913.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.