Home / 1,513,532,784.42-2,270,418,028.88-408,120,998.94

Finding the Fourth Proportional to 1,513,532,784.42, 2,270,418,028.88 and 408,120,998.94

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Solution

The fourth proportional to 1,513,532,784.42, 2,270,418,028.88 and 408,120,998.94 is: 612,213,546.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,532,784.42 : 2,270,418,028.88 = 408,120,998.94 : x
  2. Step 2: Convert to fraction form
    1,513,532,784.42/2,270,418,028.88 = 408,120,998.94/x
  3. Step 3: Cross multiply
    1,513,532,784.42x = 2,270,418,028.88 × 408,120,998.94
  4. Step 4: Simplify right side
    1,513,532,784.42x = 926,605,273,955,850,752
  5. Step 5: Solve for x
    x = 926,605,273,955,850,752/1,513,532,784.42
  6. Step 6: Final answer
    x = 612,213,546.67

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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.