Home / 254,496,570,697.12-381,744,654,422.64-68,381,680,969.12

Finding the Fourth Proportional to 254,496,570,697.12, 381,744,654,422.64 and 68,381,680,969.12

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Solution

The fourth proportional to 254,496,570,697.12, 381,744,654,422.64 and 68,381,680,969.12 is: 102,572,467,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,496,570,697.12 : 381,744,654,422.64 = 68,381,680,969.12 : x
  2. Step 2: Convert to fraction form
    254,496,570,697.12/381,744,654,422.64 = 68,381,680,969.12/x
  3. Step 3: Cross multiply
    254,496,570,697.12x = 381,744,654,422.64 × 68,381,680,969.12
  4. Step 4: Simplify right side
    254,496,570,697.12x = 26,104,341,170,395,935,670,272
  5. Step 5: Solve for x
    x = 26,104,341,170,395,935,670,272/254,496,570,697.12
  6. Step 6: Final answer
    x = 102,572,467,278.80

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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.