Home / 1,169,112,896.70-1,613,375,663.34-699,214,142.28

Finding the Fourth Proportional to 1,169,112,896.70, 1,613,375,663.34 and 699,214,142.28

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Solution

The fourth proportional to 1,169,112,896.70, 1,613,375,663.34 and 699,214,142.28 is: 964,915,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,112,896.70 : 1,613,375,663.34 = 699,214,142.28 : x
  2. Step 2: Convert to fraction form
    1,169,112,896.70/1,613,375,663.34 = 699,214,142.28/x
  3. Step 3: Cross multiply
    1,169,112,896.70x = 1,613,375,663.34 × 699,214,142.28
  4. Step 4: Simplify right side
    1,169,112,896.70x = 1,128,095,080,617,704,064
  5. Step 5: Solve for x
    x = 1,128,095,080,617,704,064/1,169,112,896.70
  6. Step 6: Final answer
    x = 964,915,436.14

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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.