Home / 15,410,398,433.60-21,265,050,970.32-8,543,978,284.96

Finding the Fourth Proportional to 15,410,398,433.60, 21,265,050,970.32 and 8,543,978,284.96

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Solution

The fourth proportional to 15,410,398,433.60, 21,265,050,970.32 and 8,543,978,284.96 is: 11,789,969,902.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,410,398,433.60 : 21,265,050,970.32 = 8,543,978,284.96 : x
  2. Step 2: Convert to fraction form
    15,410,398,433.60/21,265,050,970.32 = 8,543,978,284.96/x
  3. Step 3: Cross multiply
    15,410,398,433.60x = 21,265,050,970.32 × 8,543,978,284.96
  4. Step 4: Simplify right side
    15,410,398,433.60x = 181,688,133,718,981,640,192
  5. Step 5: Solve for x
    x = 181,688,133,718,981,640,192/15,410,398,433.60
  6. Step 6: Final answer
    x = 11,789,969,902.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.