Home / 20,376,376,748.96-30,578,526,587.61-7,111,635,027.68

Finding the Fourth Proportional to 20,376,376,748.96, 30,578,526,587.61 and 7,111,635,027.68

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Solution

The fourth proportional to 20,376,376,748.96, 30,578,526,587.61 and 7,111,635,027.68 is: 10,672,325,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,376,376,748.96 : 30,578,526,587.61 = 7,111,635,027.68 : x
  2. Step 2: Convert to fraction form
    20,376,376,748.96/30,578,526,587.61 = 7,111,635,027.68/x
  3. Step 3: Cross multiply
    20,376,376,748.96x = 30,578,526,587.61 × 7,111,635,027.68
  4. Step 4: Simplify right side
    20,376,376,748.96x = 217,463,320,775,138,574,336
  5. Step 5: Solve for x
    x = 217,463,320,775,138,574,336/20,376,376,748.96
  6. Step 6: Final answer
    x = 10,672,325,284.05

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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.