Home / 979,874,108-1,351,317,963.72-715,136,766.56

Finding the Fourth Proportional to 979,874,108, 1,351,317,963.72 and 715,136,766.56

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Solution

The fourth proportional to 979,874,108, 1,351,317,963.72 and 715,136,766.56 is: 986,225,833.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,874,108 : 1,351,317,963.72 = 715,136,766.56 : x
  2. Step 2: Convert to fraction form
    979,874,108/1,351,317,963.72 = 715,136,766.56/x
  3. Step 3: Cross multiply
    979,874,108x = 1,351,317,963.72 × 715,136,766.56
  4. Step 4: Simplify right side
    979,874,108x = 966,377,159,169,164,160
  5. Step 5: Solve for x
    x = 966,377,159,169,164,160/979,874,108
  6. Step 6: Final answer
    x = 986,225,833.79

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1.5x scale

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.