Home / 308,292,157,422.16-425,408,672,459.25-171,120,765,166.50

Finding the Fourth Proportional to 308,292,157,422.16, 425,408,672,459.25 and 171,120,765,166.50

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Solution

The fourth proportional to 308,292,157,422.16, 425,408,672,459.25 and 171,120,765,166.50 is: 236,127,503,691.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,292,157,422.16 : 425,408,672,459.25 = 171,120,765,166.50 : x
  2. Step 2: Convert to fraction form
    308,292,157,422.16/425,408,672,459.25 = 171,120,765,166.50/x
  3. Step 3: Cross multiply
    308,292,157,422.16x = 425,408,672,459.25 × 171,120,765,166.50
  4. Step 4: Simplify right side
    308,292,157,422.16x = 72,796,257,539,691,837,915,136
  5. Step 5: Solve for x
    x = 72,796,257,539,691,837,915,136/308,292,157,422.16
  6. Step 6: Final answer
    x = 236,127,503,691.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.