Home / 352,955,830.80-529,239,351.54-145,647,118.64

Finding the Fourth Proportional to 352,955,830.80, 529,239,351.54 and 145,647,118.64

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Solution

The fourth proportional to 352,955,830.80, 529,239,351.54 and 145,647,118.64 is: 218,390,461.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,955,830.80 : 529,239,351.54 = 145,647,118.64 : x
  2. Step 2: Convert to fraction form
    352,955,830.80/529,239,351.54 = 145,647,118.64/x
  3. Step 3: Cross multiply
    352,955,830.80x = 529,239,351.54 × 145,647,118.64
  4. Step 4: Simplify right side
    352,955,830.80x = 77,082,186,622,703,040
  5. Step 5: Solve for x
    x = 77,082,186,622,703,040/352,955,830.80
  6. Step 6: Final answer
    x = 218,390,461.06

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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.