Home / 10,917,509,912.40-16,376,264,868.60-8,740,727,576.40

Finding the Fourth Proportional to 10,917,509,912.40, 16,376,264,868.60 and 8,740,727,576.40

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Solution

The fourth proportional to 10,917,509,912.40, 16,376,264,868.60 and 8,740,727,576.40 is: 13,111,091,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917,509,912.40 : 16,376,264,868.60 = 8,740,727,576.40 : x
  2. Step 2: Convert to fraction form
    10,917,509,912.40/16,376,264,868.60 = 8,740,727,576.40/x
  3. Step 3: Cross multiply
    10,917,509,912.40x = 16,376,264,868.60 × 8,740,727,576.40
  4. Step 4: Simplify right side
    10,917,509,912.40x = 143,140,469,935,402,532,864
  5. Step 5: Solve for x
    x = 143,140,469,935,402,532,864/10,917,509,912.40
  6. Step 6: Final answer
    x = 13,111,091,364.60

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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.