Home / 20,160,576,039.15-30,240,864,058.73-13,194,872,563.95

Finding the Fourth Proportional to 20,160,576,039.15, 30,240,864,058.73 and 13,194,872,563.95

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Solution

The fourth proportional to 20,160,576,039.15, 30,240,864,058.73 and 13,194,872,563.95 is: 19,792,308,845.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,576,039.15 : 30,240,864,058.73 = 13,194,872,563.95 : x
  2. Step 2: Convert to fraction form
    20,160,576,039.15/30,240,864,058.73 = 13,194,872,563.95/x
  3. Step 3: Cross multiply
    20,160,576,039.15x = 30,240,864,058.73 × 13,194,872,563.95
  4. Step 4: Simplify right side
    20,160,576,039.15x = 399,024,347,478,612,115,456
  5. Step 5: Solve for x
    x = 399,024,347,478,612,115,456/20,160,576,039.15
  6. Step 6: Final answer
    x = 19,792,308,845.93

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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.