Home / 358,854,885.20-538,534,270.20-154,529,598.80

Finding the Fourth Proportional to 358,854,885.20, 538,534,270.20 and 154,529,598.80

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Solution

The fourth proportional to 358,854,885.20, 538,534,270.20 and 154,529,598.80 is: 231,902,889.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,854,885.20 : 538,534,270.20 = 154,529,598.80 : x
  2. Step 2: Convert to fraction form
    358,854,885.20/538,534,270.20 = 154,529,598.80/x
  3. Step 3: Cross multiply
    358,854,885.20x = 538,534,270.20 × 154,529,598.80
  4. Step 4: Simplify right side
    358,854,885.20x = 83,219,484,714,056,816
  5. Step 5: Solve for x
    x = 83,219,484,714,056,816/358,854,885.20
  6. Step 6: Final answer
    x = 231,902,889.29

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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.