Home / 428,052,551,411.86-641,654,711,537.91-201,005,566,927.09

Finding the Fourth Proportional to 428,052,551,411.86, 641,654,711,537.91 and 201,005,566,927.09

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Solution

The fourth proportional to 428,052,551,411.86, 641,654,711,537.91 and 201,005,566,927.09 is: 301,309,193,552.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,052,551,411.86 : 641,654,711,537.91 = 201,005,566,927.09 : x
  2. Step 2: Convert to fraction form
    428,052,551,411.86/641,654,711,537.91 = 201,005,566,927.09/x
  3. Step 3: Cross multiply
    428,052,551,411.86x = 641,654,711,537.91 × 201,005,566,927.09
  4. Step 4: Simplify right side
    428,052,551,411.86x = 128,976,169,064,116,005,109,760
  5. Step 5: Solve for x
    x = 128,976,169,064,116,005,109,760/428,052,551,411.86
  6. Step 6: Final answer
    x = 301,309,193,552.78

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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.