Home / 649,315,835.46-896,031,846.72-351,951,692.94

Finding the Fourth Proportional to 649,315,835.46, 896,031,846.72 and 351,951,692.94

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Solution

The fourth proportional to 649,315,835.46, 896,031,846.72 and 351,951,692.94 is: 485,680,324.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,315,835.46 : 896,031,846.72 = 351,951,692.94 : x
  2. Step 2: Convert to fraction form
    649,315,835.46/896,031,846.72 = 351,951,692.94/x
  3. Step 3: Cross multiply
    649,315,835.46x = 896,031,846.72 × 351,951,692.94
  4. Step 4: Simplify right side
    649,315,835.46x = 315,359,925,381,258,624
  5. Step 5: Solve for x
    x = 315,359,925,381,258,624/649,315,835.46
  6. Step 6: Final answer
    x = 485,680,324.06

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Double scale
Find fourth proportional to 649,315,836.46, 896,031,848.10 and 351,951,693.94
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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.