Home / 896,964,346.80-1,345,446,520.20-413,234,938.80

Finding the Fourth Proportional to 896,964,346.80, 1,345,446,520.20 and 413,234,938.80

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Solution

The fourth proportional to 896,964,346.80, 1,345,446,520.20 and 413,234,938.80 is: 619,852,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,964,346.80 : 1,345,446,520.20 = 413,234,938.80 : x
  2. Step 2: Convert to fraction form
    896,964,346.80/1,345,446,520.20 = 413,234,938.80/x
  3. Step 3: Cross multiply
    896,964,346.80x = 1,345,446,520.20 × 413,234,938.80
  4. Step 4: Simplify right side
    896,964,346.80x = 555,985,510,433,520,000
  5. Step 5: Solve for x
    x = 555,985,510,433,520,000/896,964,346.80
  6. Step 6: Final answer
    x = 619,852,408.20

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1.5x scale

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.