Home / 340,710,905.60-511,066,358.40-204,326,086.40

Finding the Fourth Proportional to 340,710,905.60, 511,066,358.40 and 204,326,086.40

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Solution

The fourth proportional to 340,710,905.60, 511,066,358.40 and 204,326,086.40 is: 306,489,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,710,905.60 : 511,066,358.40 = 204,326,086.40 : x
  2. Step 2: Convert to fraction form
    340,710,905.60/511,066,358.40 = 204,326,086.40/x
  3. Step 3: Cross multiply
    340,710,905.60x = 511,066,358.40 × 204,326,086.40
  4. Step 4: Simplify right side
    340,710,905.60x = 104,424,188,902,571,760
  5. Step 5: Solve for x
    x = 104,424,188,902,571,760/340,710,905.60
  6. Step 6: Final answer
    x = 306,489,129.60

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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.