Home / 1,231,389,708.68-1,699,296,795.26-666,870,003.22

Finding the Fourth Proportional to 1,231,389,708.68, 1,699,296,795.26 and 666,870,003.22

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Solution

The fourth proportional to 1,231,389,708.68, 1,699,296,795.26 and 666,870,003.22 is: 920,269,230.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,389,708.68 : 1,699,296,795.26 = 666,870,003.22 : x
  2. Step 2: Convert to fraction form
    1,231,389,708.68/1,699,296,795.26 = 666,870,003.22/x
  3. Step 3: Cross multiply
    1,231,389,708.68x = 1,699,296,795.26 × 666,870,003.22
  4. Step 4: Simplify right side
    1,231,389,708.68x = 1,133,210,059,326,771,968
  5. Step 5: Solve for x
    x = 1,133,210,059,326,771,968/1,231,389,708.68
  6. Step 6: Final answer
    x = 920,269,230.24

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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.