Home / 352,955,828.79-529,239,348.54-145,647,116.64

Finding the Fourth Proportional to 352,955,828.79, 529,239,348.54 and 145,647,116.64

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Solution

The fourth proportional to 352,955,828.79, 529,239,348.54 and 145,647,116.64 is: 218,390,458.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,955,828.79 : 529,239,348.54 = 145,647,116.64 : x
  2. Step 2: Convert to fraction form
    352,955,828.79/529,239,348.54 = 145,647,116.64/x
  3. Step 3: Cross multiply
    352,955,828.79x = 529,239,348.54 × 145,647,116.64
  4. Step 4: Simplify right side
    352,955,828.79x = 77,082,185,127,282,992
  5. Step 5: Solve for x
    x = 77,082,185,127,282,992/352,955,828.79
  6. Step 6: Final answer
    x = 218,390,458.07

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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.