Home / 693,912,581.11-957,590,428.08-396,551,418.04

Finding the Fourth Proportional to 693,912,581.11, 957,590,428.08 and 396,551,418.04

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Solution

The fourth proportional to 693,912,581.11, 957,590,428.08 and 396,551,418.04 is: 547,235,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,912,581.11 : 957,590,428.08 = 396,551,418.04 : x
  2. Step 2: Convert to fraction form
    693,912,581.11/957,590,428.08 = 396,551,418.04/x
  3. Step 3: Cross multiply
    693,912,581.11x = 957,590,428.08 × 396,551,418.04
  4. Step 4: Simplify right side
    693,912,581.11x = 379,733,842,156,654,656
  5. Step 5: Solve for x
    x = 379,733,842,156,654,656/693,912,581.11
  6. Step 6: Final answer
    x = 547,235,851.45

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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.