Home / 855,439,623.14-1,180,507,553.61-464,299,127.78

Finding the Fourth Proportional to 855,439,623.14, 1,180,507,553.61 and 464,299,127.78

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Solution

The fourth proportional to 855,439,623.14, 1,180,507,553.61 and 464,299,127.78 is: 640,733,270.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,439,623.14 : 1,180,507,553.61 = 464,299,127.78 : x
  2. Step 2: Convert to fraction form
    855,439,623.14/1,180,507,553.61 = 464,299,127.78/x
  3. Step 3: Cross multiply
    855,439,623.14x = 1,180,507,553.61 × 464,299,127.78
  4. Step 4: Simplify right side
    855,439,623.14x = 548,108,627,478,824,512
  5. Step 5: Solve for x
    x = 548,108,627,478,824,512/855,439,623.14
  6. Step 6: Final answer
    x = 640,733,270.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.