Home / 356,156,656.57-491,496,232.67-197,397,029.34

Finding the Fourth Proportional to 356,156,656.57, 491,496,232.67 and 197,397,029.34

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Solution

The fourth proportional to 356,156,656.57, 491,496,232.67 and 197,397,029.34 is: 272,407,926.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,156,656.57 : 491,496,232.67 = 197,397,029.34 : x
  2. Step 2: Convert to fraction form
    356,156,656.57/491,496,232.67 = 197,397,029.34/x
  3. Step 3: Cross multiply
    356,156,656.57x = 491,496,232.67 × 197,397,029.34
  4. Step 4: Simplify right side
    356,156,656.57x = 97,019,896,263,447,232
  5. Step 5: Solve for x
    x = 97,019,896,263,447,232/356,156,656.57
  6. Step 6: Final answer
    x = 272,407,926.32

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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.