Home / 421,956,358.74-631,914,093.63-364,815,822.42

Finding the Fourth Proportional to 421,956,358.74, 631,914,093.63 and 364,815,822.42

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Solution

The fourth proportional to 421,956,358.74, 631,914,093.63 and 364,815,822.42 is: 546,341,475.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,956,358.74 : 631,914,093.63 = 364,815,822.42 : x
  2. Step 2: Convert to fraction form
    421,956,358.74/631,914,093.63 = 364,815,822.42/x
  3. Step 3: Cross multiply
    421,956,358.74x = 631,914,093.63 × 364,815,822.42
  4. Step 4: Simplify right side
    421,956,358.74x = 230,532,259,766,417,344
  5. Step 5: Solve for x
    x = 230,532,259,766,417,344/421,956,358.74
  6. Step 6: Final answer
    x = 546,341,475.82

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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.