Home / 855,237,512.81-1,180,227,767.68-464,096,936.81

Finding the Fourth Proportional to 855,237,512.81, 1,180,227,767.68 and 464,096,936.81

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Solution

The fourth proportional to 855,237,512.81, 1,180,227,767.68 and 464,096,936.81 is: 640,453,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,237,512.81 : 1,180,227,767.68 = 464,096,936.81 : x
  2. Step 2: Convert to fraction form
    855,237,512.81/1,180,227,767.68 = 464,096,936.81/x
  3. Step 3: Cross multiply
    855,237,512.81x = 1,180,227,767.68 × 464,096,936.81
  4. Step 4: Simplify right side
    855,237,512.81x = 547,740,091,721,946,176
  5. Step 5: Solve for x
    x = 547,740,091,721,946,176/855,237,512.81
  6. Step 6: Final answer
    x = 640,453,772.80

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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.