Home / 828,569,104.14-1,243,017,382.32-303,943,076.82

Finding the Fourth Proportional to 828,569,104.14, 1,243,017,382.32 and 303,943,076.82

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Solution

The fourth proportional to 828,569,104.14, 1,243,017,382.32 and 303,943,076.82 is: 455,974,674.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,569,104.14 : 1,243,017,382.32 = 303,943,076.82 : x
  2. Step 2: Convert to fraction form
    828,569,104.14/1,243,017,382.32 = 303,943,076.82/x
  3. Step 3: Cross multiply
    828,569,104.14x = 1,243,017,382.32 × 303,943,076.82
  4. Step 4: Simplify right side
    828,569,104.14x = 377,806,527,723,083,072
  5. Step 5: Solve for x
    x = 377,806,527,723,083,072/828,569,104.14
  6. Step 6: Final answer
    x = 455,974,674.70

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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.