Home / 5,189,111,122.90-7,784,091,487.23-1,508,611,972.18

Finding the Fourth Proportional to 5,189,111,122.90, 7,784,091,487.23 and 1,508,611,972.18

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Solution

The fourth proportional to 5,189,111,122.90, 7,784,091,487.23 and 1,508,611,972.18 is: 2,263,041,459.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189,111,122.90 : 7,784,091,487.23 = 1,508,611,972.18 : x
  2. Step 2: Convert to fraction form
    5,189,111,122.90/7,784,091,487.23 = 1,508,611,972.18/x
  3. Step 3: Cross multiply
    5,189,111,122.90x = 7,784,091,487.23 × 1,508,611,972.18
  4. Step 4: Simplify right side
    5,189,111,122.90x = 11,743,173,610,179,600,384
  5. Step 5: Solve for x
    x = 11,743,173,610,179,600,384/5,189,111,122.90
  6. Step 6: Final answer
    x = 2,263,041,459.71

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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.