Home / 874,569,877.51-1,311,857,306.61-252,835,722.94

Finding the Fourth Proportional to 874,569,877.51, 1,311,857,306.61 and 252,835,722.94

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Solution

The fourth proportional to 874,569,877.51, 1,311,857,306.61 and 252,835,722.94 is: 379,254,304.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,569,877.51 : 1,311,857,306.61 = 252,835,722.94 : x
  2. Step 2: Convert to fraction form
    874,569,877.51/1,311,857,306.61 = 252,835,722.94/x
  3. Step 3: Cross multiply
    874,569,877.51x = 1,311,857,306.61 × 252,835,722.94
  4. Step 4: Simplify right side
    874,569,877.51x = 331,684,390,510,860,544
  5. Step 5: Solve for x
    x = 331,684,390,510,860,544/874,569,877.51
  6. Step 6: Final answer
    x = 379,254,304.36

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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.