Home / 29,696,509,348.42-40,981,959,596.41-16,148,938,849.53

Finding the Fourth Proportional to 29,696,509,348.42, 40,981,959,596.41 and 16,148,938,849.53

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Solution

The fourth proportional to 29,696,509,348.42, 40,981,959,596.41 and 16,148,938,849.53 is: 22,285,957,978.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,696,509,348.42 : 40,981,959,596.41 = 16,148,938,849.53 : x
  2. Step 2: Convert to fraction form
    29,696,509,348.42/40,981,959,596.41 = 16,148,938,849.53/x
  3. Step 3: Cross multiply
    29,696,509,348.42x = 40,981,959,596.41 × 16,148,938,849.53
  4. Step 4: Simplify right side
    29,696,509,348.42x = 661,815,159,456,129,351,680
  5. Step 5: Solve for x
    x = 661,815,159,456,129,351,680/29,696,509,348.42
  6. Step 6: Final answer
    x = 22,285,957,978.81

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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.