Home / 979,819,374.49-1,352,148,369.38-533,786,402.97

Finding the Fourth Proportional to 979,819,374.49, 1,352,148,369.38 and 533,786,402.97

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Solution

The fourth proportional to 979,819,374.49, 1,352,148,369.38 and 533,786,402.97 is: 736,623,946.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,819,374.49 : 1,352,148,369.38 = 533,786,402.97 : x
  2. Step 2: Convert to fraction form
    979,819,374.49/1,352,148,369.38 = 533,786,402.97/x
  3. Step 3: Cross multiply
    979,819,374.49x = 1,352,148,369.38 × 533,786,402.97
  4. Step 4: Simplify right side
    979,819,374.49x = 721,758,414,373,101,184
  5. Step 5: Solve for x
    x = 721,758,414,373,101,184/979,819,374.49
  6. Step 6: Final answer
    x = 736,623,946.38

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Double scale
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1.5x scale

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.