Home / 644,134,095.20-966,705,027.60-299,130,471.20

Finding the Fourth Proportional to 644,134,095.20, 966,705,027.60 and 299,130,471.20

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Solution

The fourth proportional to 644,134,095.20, 966,705,027.60 and 299,130,471.20 is: 448,929,706.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,134,095.20 : 966,705,027.60 = 299,130,471.20 : x
  2. Step 2: Convert to fraction form
    644,134,095.20/966,705,027.60 = 299,130,471.20/x
  3. Step 3: Cross multiply
    644,134,095.20x = 966,705,027.60 × 299,130,471.20
  4. Step 4: Simplify right side
    644,134,095.20x = 289,170,930,417,396,992
  5. Step 5: Solve for x
    x = 289,170,930,417,396,992/644,134,095.20
  6. Step 6: Final answer
    x = 448,929,706.67

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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.