Home / 787,906,123.42-1,181,920,197.66-263,277,041.98

Finding the Fourth Proportional to 787,906,123.42, 1,181,920,197.66 and 263,277,041.98

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Solution

The fourth proportional to 787,906,123.42, 1,181,920,197.66 and 263,277,041.98 is: 394,935,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,906,123.42 : 1,181,920,197.66 = 263,277,041.98 : x
  2. Step 2: Convert to fraction form
    787,906,123.42/1,181,920,197.66 = 263,277,041.98/x
  3. Step 3: Cross multiply
    787,906,123.42x = 1,181,920,197.66 × 263,277,041.98
  4. Step 4: Simplify right side
    787,906,123.42x = 311,172,453,496,341,696
  5. Step 5: Solve for x
    x = 311,172,453,496,341,696/787,906,123.42
  6. Step 6: Final answer
    x = 394,935,950.17

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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.