Home / 347,680,512,057.55-521,520,768,086.32-291,891,961,641.55

Finding the Fourth Proportional to 347,680,512,057.55, 521,520,768,086.32 and 291,891,961,641.55

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Solution

The fourth proportional to 347,680,512,057.55, 521,520,768,086.32 and 291,891,961,641.55 is: 437,837,942,462.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,512,057.55 : 521,520,768,086.32 = 291,891,961,641.55 : x
  2. Step 2: Convert to fraction form
    347,680,512,057.55/521,520,768,086.32 = 291,891,961,641.55/x
  3. Step 3: Cross multiply
    347,680,512,057.55x = 521,520,768,086.32 × 291,891,961,641.55
  4. Step 4: Simplify right side
    347,680,512,057.55x = 152,227,720,033,523,814,367,232
  5. Step 5: Solve for x
    x = 152,227,720,033,523,814,367,232/347,680,512,057.55
  6. Step 6: Final answer
    x = 437,837,942,462.32

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Double scale
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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.