Home / 347,680,512,130.78-521,520,768,196.20-347,680,512,130.78

Finding the Fourth Proportional to 347,680,512,130.78, 521,520,768,196.20 and 347,680,512,130.78

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Solution

The fourth proportional to 347,680,512,130.78, 521,520,768,196.20 and 347,680,512,130.78 is: 521,520,768,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,512,130.78 : 521,520,768,196.20 = 347,680,512,130.78 : x
  2. Step 2: Convert to fraction form
    347,680,512,130.78/521,520,768,196.20 = 347,680,512,130.78/x
  3. Step 3: Cross multiply
    347,680,512,130.78x = 521,520,768,196.20 × 347,680,512,130.78
  4. Step 4: Simplify right side
    347,680,512,130.78x = 181,322,607,773,292,628,541,440
  5. Step 5: Solve for x
    x = 181,322,607,773,292,628,541,440/347,680,512,130.78
  6. Step 6: Final answer
    x = 521,520,768,196.20

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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.