Home / 356,156,657.57-491,496,234.05-197,397,030.34

Finding the Fourth Proportional to 356,156,657.57, 491,496,234.05 and 197,397,030.34

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Solution

The fourth proportional to 356,156,657.57, 491,496,234.05 and 197,397,030.34 is: 272,407,927.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,156,657.57 : 491,496,234.05 = 197,397,030.34 : x
  2. Step 2: Convert to fraction form
    356,156,657.57/491,496,234.05 = 197,397,030.34/x
  3. Step 3: Cross multiply
    356,156,657.57x = 491,496,234.05 × 197,397,030.34
  4. Step 4: Simplify right side
    356,156,657.57x = 97,019,897,024,763,600
  5. Step 5: Solve for x
    x = 97,019,897,024,763,600/356,156,657.57
  6. Step 6: Final answer
    x = 272,407,927.70

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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.