Home / 979,819,363.22-1,352,148,353.87-533,786,391.72

Finding the Fourth Proportional to 979,819,363.22, 1,352,148,353.87 and 533,786,391.72

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Solution

The fourth proportional to 979,819,363.22, 1,352,148,353.87 and 533,786,391.72 is: 736,623,930.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,819,363.22 : 1,352,148,353.87 = 533,786,391.72 : x
  2. Step 2: Convert to fraction form
    979,819,363.22/1,352,148,353.87 = 533,786,391.72/x
  3. Step 3: Cross multiply
    979,819,363.22x = 1,352,148,353.87 × 533,786,391.72
  4. Step 4: Simplify right side
    979,819,363.22x = 721,758,390,879,736,064
  5. Step 5: Solve for x
    x = 721,758,390,879,736,064/979,819,363.22
  6. Step 6: Final answer
    x = 736,623,930.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.