Home / 77,000,904,872.95-115,419,838,654.68-25,900,555,697.41

Finding the Fourth Proportional to 77,000,904,872.95, 115,419,838,654.68 and 25,900,555,697.41

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Solution

The fourth proportional to 77,000,904,872.95, 115,419,838,654.68 and 25,900,555,697.41 is: 38,823,413,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,000,904,872.95 : 115,419,838,654.68 = 25,900,555,697.41 : x
  2. Step 2: Convert to fraction form
    77,000,904,872.95/115,419,838,654.68 = 25,900,555,697.41/x
  3. Step 3: Cross multiply
    77,000,904,872.95x = 115,419,838,654.68 × 25,900,555,697.41
  4. Step 4: Simplify right side
    77,000,904,872.95x = 2,989,437,959,661,615,054,848
  5. Step 5: Solve for x
    x = 2,989,437,959,661,615,054,848/77,000,904,872.95
  6. Step 6: Final answer
    x = 38,823,413,368.90

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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.