Home / 347,680,521,795.20-521,520,782,692.80-288,907,398,723.20

Finding the Fourth Proportional to 347,680,521,795.20, 521,520,782,692.80 and 288,907,398,723.20

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Solution

The fourth proportional to 347,680,521,795.20, 521,520,782,692.80 and 288,907,398,723.20 is: 433,361,098,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,521,795.20 : 521,520,782,692.80 = 288,907,398,723.20 : x
  2. Step 2: Convert to fraction form
    347,680,521,795.20/521,520,782,692.80 = 288,907,398,723.20/x
  3. Step 3: Cross multiply
    347,680,521,795.20x = 521,520,782,692.80 × 288,907,398,723.20
  4. Step 4: Simplify right side
    347,680,521,795.20x = 150,671,212,707,864,108,859,392
  5. Step 5: Solve for x
    x = 150,671,212,707,864,108,859,392/347,680,521,795.20
  6. Step 6: Final answer
    x = 433,361,098,084.80

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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.