Home / 747,384,933.84-1,031,371,218.42-412,850,256.54

Finding the Fourth Proportional to 747,384,933.84, 1,031,371,218.42 and 412,850,256.54

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Solution

The fourth proportional to 747,384,933.84, 1,031,371,218.42 and 412,850,256.54 is: 569,722,311.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,384,933.84 : 1,031,371,218.42 = 412,850,256.54 : x
  2. Step 2: Convert to fraction form
    747,384,933.84/1,031,371,218.42 = 412,850,256.54/x
  3. Step 3: Cross multiply
    747,384,933.84x = 1,031,371,218.42 × 412,850,256.54
  4. Step 4: Simplify right side
    747,384,933.84x = 425,801,872,112,669,376
  5. Step 5: Solve for x
    x = 425,801,872,112,669,376/747,384,933.84
  6. Step 6: Final answer
    x = 569,722,311.53

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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.