Home / 727,760,317.68-1,091,479,737.96-210,078,267.12

Finding the Fourth Proportional to 727,760,317.68, 1,091,479,737.96 and 210,078,267.12

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Solution

The fourth proportional to 727,760,317.68, 1,091,479,737.96 and 210,078,267.12 is: 315,071,001.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,760,317.68 : 1,091,479,737.96 = 210,078,267.12 : x
  2. Step 2: Convert to fraction form
    727,760,317.68/1,091,479,737.96 = 210,078,267.12/x
  3. Step 3: Cross multiply
    727,760,317.68x = 1,091,479,737.96 × 210,078,267.12
  4. Step 4: Simplify right side
    727,760,317.68x = 229,296,171,947,228,512
  5. Step 5: Solve for x
    x = 229,296,171,947,228,512/727,760,317.68
  6. Step 6: Final answer
    x = 315,071,001.23

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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.