Home / 727,450,826.55-1,091,176,239.83-359,162,213.55

Finding the Fourth Proportional to 727,450,826.55, 1,091,176,239.83 and 359,162,213.55

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Solution

The fourth proportional to 727,450,826.55, 1,091,176,239.83 and 359,162,213.55 is: 538,743,320.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,450,826.55 : 1,091,176,239.83 = 359,162,213.55 : x
  2. Step 2: Convert to fraction form
    727,450,826.55/1,091,176,239.83 = 359,162,213.55/x
  3. Step 3: Cross multiply
    727,450,826.55x = 1,091,176,239.83 × 359,162,213.55
  4. Step 4: Simplify right side
    727,450,826.55x = 391,909,273,668,712,704
  5. Step 5: Solve for x
    x = 391,909,273,668,712,704/727,450,826.55
  6. Step 6: Final answer
    x = 538,743,320.33

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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.