Home / 77,000,905,016.84-115,419,838,864.98-25,900,555,838.60

Finding the Fourth Proportional to 77,000,905,016.84, 115,419,838,864.98 and 25,900,555,838.60

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Solution

The fourth proportional to 77,000,905,016.84, 115,419,838,864.98 and 25,900,555,838.60 is: 38,823,413,578.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,000,905,016.84 : 115,419,838,864.98 = 25,900,555,838.60 : x
  2. Step 2: Convert to fraction form
    77,000,905,016.84/115,419,838,864.98 = 25,900,555,838.60/x
  3. Step 3: Cross multiply
    77,000,905,016.84x = 115,419,838,864.98 × 25,900,555,838.60
  4. Step 4: Simplify right side
    77,000,905,016.84x = 2,989,437,981,404,628,516,864
  5. Step 5: Solve for x
    x = 2,989,437,981,404,628,516,864/77,000,905,016.84
  6. Step 6: Final answer
    x = 38,823,413,578.72

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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.