Home / 979,819,372.74-1,352,148,366.96-533,786,401.22

Finding the Fourth Proportional to 979,819,372.74, 1,352,148,366.96 and 533,786,401.22

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Solution

The fourth proportional to 979,819,372.74, 1,352,148,366.96 and 533,786,401.22 is: 736,623,943.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,819,372.74 : 1,352,148,366.96 = 533,786,401.22 : x
  2. Step 2: Convert to fraction form
    979,819,372.74/1,352,148,366.96 = 533,786,401.22/x
  3. Step 3: Cross multiply
    979,819,372.74x = 1,352,148,366.96 × 533,786,401.22
  4. Step 4: Simplify right side
    979,819,372.74x = 721,758,410,715,078,400
  5. Step 5: Solve for x
    x = 721,758,410,715,078,400/979,819,372.74
  6. Step 6: Final answer
    x = 736,623,943.96

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Double scale
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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.