Home / 2,640,545,983.60-3,963,369,892.20-1,607,424,679.60

Finding the Fourth Proportional to 2,640,545,983.60, 3,963,369,892.20 and 1,607,424,679.60

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Solution

The fourth proportional to 2,640,545,983.60, 3,963,369,892.20 and 1,607,424,679.60 is: 2,412,689,882.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,545,983.60 : 3,963,369,892.20 = 1,607,424,679.60 : x
  2. Step 2: Convert to fraction form
    2,640,545,983.60/3,963,369,892.20 = 1,607,424,679.60/x
  3. Step 3: Cross multiply
    2,640,545,983.60x = 3,963,369,892.20 × 1,607,424,679.60
  4. Step 4: Simplify right side
    2,640,545,983.60x = 6,370,818,579,105,870,848
  5. Step 5: Solve for x
    x = 6,370,818,579,105,870,848/2,640,545,983.60
  6. Step 6: Final answer
    x = 2,412,689,882.58

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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.