Home / 757,220,365.50-1,135,956,052.89-265,806,130.62

Finding the Fourth Proportional to 757,220,365.50, 1,135,956,052.89 and 265,806,130.62

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Solution

The fourth proportional to 757,220,365.50, 1,135,956,052.89 and 265,806,130.62 is: 398,753,251.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,220,365.50 : 1,135,956,052.89 = 265,806,130.62 : x
  2. Step 2: Convert to fraction form
    757,220,365.50/1,135,956,052.89 = 265,806,130.62/x
  3. Step 3: Cross multiply
    757,220,365.50x = 1,135,956,052.89 × 265,806,130.62
  4. Step 4: Simplify right side
    757,220,365.50x = 301,944,082,973,059,008
  5. Step 5: Solve for x
    x = 301,944,082,973,059,008/757,220,365.50
  6. Step 6: Final answer
    x = 398,753,251.67

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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.