Home / 276,735,888,906.65-415,103,833,359.98-77,989,178,049.65

Finding the Fourth Proportional to 276,735,888,906.65, 415,103,833,359.98 and 77,989,178,049.65

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Solution

The fourth proportional to 276,735,888,906.65, 415,103,833,359.98 and 77,989,178,049.65 is: 116,983,767,074.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,735,888,906.65 : 415,103,833,359.98 = 77,989,178,049.65 : x
  2. Step 2: Convert to fraction form
    276,735,888,906.65/415,103,833,359.98 = 77,989,178,049.65/x
  3. Step 3: Cross multiply
    276,735,888,906.65x = 415,103,833,359.98 × 77,989,178,049.65
  4. Step 4: Simplify right side
    276,735,888,906.65x = 32,373,606,769,003,721,654,272
  5. Step 5: Solve for x
    x = 32,373,606,769,003,721,654,272/276,735,888,906.65
  6. Step 6: Final answer
    x = 116,983,767,074.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.