Home / 2,678,780,212.80-3,696,923,537.18-1,607,123,728.24

Finding the Fourth Proportional to 2,678,780,212.80, 3,696,923,537.18 and 1,607,123,728.24

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Solution

The fourth proportional to 2,678,780,212.80, 3,696,923,537.18 and 1,607,123,728.24 is: 2,217,954,839.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,780,212.80 : 3,696,923,537.18 = 1,607,123,728.24 : x
  2. Step 2: Convert to fraction form
    2,678,780,212.80/3,696,923,537.18 = 1,607,123,728.24/x
  3. Step 3: Cross multiply
    2,678,780,212.80x = 3,696,923,537.18 × 1,607,123,728.24
  4. Step 4: Simplify right side
    2,678,780,212.80x = 5,941,413,538,090,929,152
  5. Step 5: Solve for x
    x = 5,941,413,538,090,929,152/2,678,780,212.80
  6. Step 6: Final answer
    x = 2,217,954,839.93

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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.