Home / 1,409,552,327.80-2,114,328,491.70-489,332,711.80

Finding the Fourth Proportional to 1,409,552,327.80, 2,114,328,491.70 and 489,332,711.80

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Solution

The fourth proportional to 1,409,552,327.80, 2,114,328,491.70 and 489,332,711.80 is: 733,999,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,552,327.80 : 2,114,328,491.70 = 489,332,711.80 : x
  2. Step 2: Convert to fraction form
    1,409,552,327.80/2,114,328,491.70 = 489,332,711.80/x
  3. Step 3: Cross multiply
    1,409,552,327.80x = 2,114,328,491.70 × 489,332,711.80
  4. Step 4: Simplify right side
    1,409,552,327.80x = 1,034,610,094,479,564,800
  5. Step 5: Solve for x
    x = 1,034,610,094,479,564,800/1,409,552,327.80
  6. Step 6: Final answer
    x = 733,999,067.70

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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.