Home / 1,169,112,915.26-1,613,375,688.81-699,214,160.78

Finding the Fourth Proportional to 1,169,112,915.26, 1,613,375,688.81 and 699,214,160.78

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Solution

The fourth proportional to 1,169,112,915.26, 1,613,375,688.81 and 699,214,160.78 is: 964,915,461.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,112,915.26 : 1,613,375,688.81 = 699,214,160.78 : x
  2. Step 2: Convert to fraction form
    1,169,112,915.26/1,613,375,688.81 = 699,214,160.78/x
  3. Step 3: Cross multiply
    1,169,112,915.26x = 1,613,375,688.81 × 699,214,160.78
  4. Step 4: Simplify right side
    1,169,112,915.26x = 1,128,095,128,274,138,496
  5. Step 5: Solve for x
    x = 1,128,095,128,274,138,496/1,169,112,915.26
  6. Step 6: Final answer
    x = 964,915,461.59

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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.