Home / 20,161,719,558.30-30,233,509,411.05-7,735,920,390.30

Finding the Fourth Proportional to 20,161,719,558.30, 30,233,509,411.05 and 7,735,920,390.30

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Solution

The fourth proportional to 20,161,719,558.30, 30,233,509,411.05 and 7,735,920,390.30 is: 11,600,400,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161,719,558.30 : 30,233,509,411.05 = 7,735,920,390.30 : x
  2. Step 2: Convert to fraction form
    20,161,719,558.30/30,233,509,411.05 = 7,735,920,390.30/x
  3. Step 3: Cross multiply
    20,161,719,558.30x = 30,233,509,411.05 × 7,735,920,390.30
  4. Step 4: Simplify right side
    20,161,719,558.30x = 233,884,021,923,268,624,384
  5. Step 5: Solve for x
    x = 233,884,021,923,268,624,384/20,161,719,558.30
  6. Step 6: Final answer
    x = 11,600,400,513.80

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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.