Home / 3,880,424,737.20-5,821,487,411.40-1,916,218,801.20

Finding the Fourth Proportional to 3,880,424,737.20, 5,821,487,411.40 and 1,916,218,801.20

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Solution

The fourth proportional to 3,880,424,737.20, 5,821,487,411.40 and 1,916,218,801.20 is: 2,874,748,096.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,424,737.20 : 5,821,487,411.40 = 1,916,218,801.20 : x
  2. Step 2: Convert to fraction form
    3,880,424,737.20/5,821,487,411.40 = 1,916,218,801.20/x
  3. Step 3: Cross multiply
    3,880,424,737.20x = 5,821,487,411.40 × 1,916,218,801.20
  4. Step 4: Simplify right side
    3,880,424,737.20x = 11,155,243,628,673,798,144
  5. Step 5: Solve for x
    x = 11,155,243,628,673,798,144/3,880,424,737.20
  6. Step 6: Final answer
    x = 2,874,748,096.96

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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.