Home / 1,585,052,954.76-2,187,399,421.66-870,654,564.60

Finding the Fourth Proportional to 1,585,052,954.76, 2,187,399,421.66 and 870,654,564.60

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Solution

The fourth proportional to 1,585,052,954.76, 2,187,399,421.66 and 870,654,564.60 is: 1,201,517,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,052,954.76 : 2,187,399,421.66 = 870,654,564.60 : x
  2. Step 2: Convert to fraction form
    1,585,052,954.76/2,187,399,421.66 = 870,654,564.60/x
  3. Step 3: Cross multiply
    1,585,052,954.76x = 2,187,399,421.66 × 870,654,564.60
  4. Step 4: Simplify right side
    1,585,052,954.76x = 1,904,469,291,071,678,976
  5. Step 5: Solve for x
    x = 1,904,469,291,071,678,976/1,585,052,954.76
  6. Step 6: Final answer
    x = 1,201,517,769.71

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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.