Home / 358,854,553.20-538,533,772.20-154,529,266.80

Finding the Fourth Proportional to 358,854,553.20, 538,533,772.20 and 154,529,266.80

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Solution

The fourth proportional to 358,854,553.20, 538,533,772.20 and 154,529,266.80 is: 231,902,391.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,854,553.20 : 538,533,772.20 = 154,529,266.80 : x
  2. Step 2: Convert to fraction form
    358,854,553.20/538,533,772.20 = 154,529,266.80/x
  3. Step 3: Cross multiply
    358,854,553.20x = 538,533,772.20 × 154,529,266.80
  4. Step 4: Simplify right side
    358,854,553.20x = 83,219,228,965,104,240
  5. Step 5: Solve for x
    x = 83,219,228,965,104,240/358,854,553.20
  6. Step 6: Final answer
    x = 231,902,391.16

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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.