Home / 347,680,521,742.20-521,520,782,613.30-288,907,398,670.20

Finding the Fourth Proportional to 347,680,521,742.20, 521,520,782,613.30 and 288,907,398,670.20

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Solution

The fourth proportional to 347,680,521,742.20, 521,520,782,613.30 and 288,907,398,670.20 is: 433,361,098,005.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,521,742.20 : 521,520,782,613.30 = 288,907,398,670.20 : x
  2. Step 2: Convert to fraction form
    347,680,521,742.20/521,520,782,613.30 = 288,907,398,670.20/x
  3. Step 3: Cross multiply
    347,680,521,742.20x = 521,520,782,613.30 × 288,907,398,670.20
  4. Step 4: Simplify right side
    347,680,521,742.20x = 150,671,212,657,255,368,359,936
  5. Step 5: Solve for x
    x = 150,671,212,657,255,368,359,936/347,680,521,742.20
  6. Step 6: Final answer
    x = 433,361,098,005.30

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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.