Home / 279,257,419,904.16-385,376,416,398-157,323,617,392.80

Finding the Fourth Proportional to 279,257,419,904.16, 385,376,416,398 and 157,323,617,392.80

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Solution

The fourth proportional to 279,257,419,904.16, 385,376,416,398 and 157,323,617,392.80 is: 217,107,255,042.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,257,419,904.16 : 385,376,416,398 = 157,323,617,392.80 : x
  2. Step 2: Convert to fraction form
    279,257,419,904.16/385,376,416,398 = 157,323,617,392.80/x
  3. Step 3: Cross multiply
    279,257,419,904.16x = 385,376,416,398 × 157,323,617,392.80
  4. Step 4: Simplify right side
    279,257,419,904.16x = 60,628,811,885,607,322,124,288
  5. Step 5: Solve for x
    x = 60,628,811,885,607,322,124,288/279,257,419,904.16
  6. Step 6: Final answer
    x = 217,107,255,042.37

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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.