Home / 188,486,762,468.73-282,728,280,515.46-86,354,385,726.81

Finding the Fourth Proportional to 188,486,762,468.73, 282,728,280,515.46 and 86,354,385,726.81

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Solution

The fourth proportional to 188,486,762,468.73, 282,728,280,515.46 and 86,354,385,726.81 is: 129,530,724,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,486,762,468.73 : 282,728,280,515.46 = 86,354,385,726.81 : x
  2. Step 2: Convert to fraction form
    188,486,762,468.73/282,728,280,515.46 = 86,354,385,726.81/x
  3. Step 3: Cross multiply
    188,486,762,468.73x = 282,728,280,515.46 × 86,354,385,726.81
  4. Step 4: Simplify right side
    188,486,762,468.73x = 24,414,826,991,509,772,959,744
  5. Step 5: Solve for x
    x = 24,414,826,991,509,772,959,744/188,486,762,468.73
  6. Step 6: Final answer
    x = 129,530,724,978.95

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1.5x scale

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.