Home / 393,277,310,059.72-542,716,912,032.36-219,664,983,151.40

Finding the Fourth Proportional to 393,277,310,059.72, 542,716,912,032.36 and 219,664,983,151.40

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Solution

The fourth proportional to 393,277,310,059.72, 542,716,912,032.36 and 219,664,983,151.40 is: 303,134,450,648.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,277,310,059.72 : 542,716,912,032.36 = 219,664,983,151.40 : x
  2. Step 2: Convert to fraction form
    393,277,310,059.72/542,716,912,032.36 = 219,664,983,151.40/x
  3. Step 3: Cross multiply
    393,277,310,059.72x = 542,716,912,032.36 × 219,664,983,151.40
  4. Step 4: Simplify right side
    393,277,310,059.72x = 119,215,901,337,568,189,349,888
  5. Step 5: Solve for x
    x = 119,215,901,337,568,189,349,888/393,277,310,059.72
  6. Step 6: Final answer
    x = 303,134,450,648.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.