Home / 349,344,374.40-524,016,561.60-220,097,923.20

Finding the Fourth Proportional to 349,344,374.40, 524,016,561.60 and 220,097,923.20

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Solution

The fourth proportional to 349,344,374.40, 524,016,561.60 and 220,097,923.20 is: 330,146,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,344,374.40 : 524,016,561.60 = 220,097,923.20 : x
  2. Step 2: Convert to fraction form
    349,344,374.40/524,016,561.60 = 220,097,923.20/x
  3. Step 3: Cross multiply
    349,344,374.40x = 524,016,561.60 × 220,097,923.20
  4. Step 4: Simplify right side
    349,344,374.40x = 115,334,956,930,564,864
  5. Step 5: Solve for x
    x = 115,334,956,930,564,864/349,344,374.40
  6. Step 6: Final answer
    x = 330,146,884.80

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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.