Home / 693,506,395.96-1,040,100,408.84-413,466,549.88

Finding the Fourth Proportional to 693,506,395.96, 1,040,100,408.84 and 413,466,549.88

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Solution

The fourth proportional to 693,506,395.96, 1,040,100,408.84 and 413,466,549.88 is: 620,104,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,506,395.96 : 1,040,100,408.84 = 413,466,549.88 : x
  2. Step 2: Convert to fraction form
    693,506,395.96/1,040,100,408.84 = 413,466,549.88/x
  3. Step 3: Cross multiply
    693,506,395.96x = 1,040,100,408.84 × 413,466,549.88
  4. Step 4: Simplify right side
    693,506,395.96x = 430,046,727,571,852,288
  5. Step 5: Solve for x
    x = 430,046,727,571,852,288/693,506,395.96
  6. Step 6: Final answer
    x = 620,104,919.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.