Home / 981,884,799.96-1,355,029,750.53-535,876,769.58

Finding the Fourth Proportional to 981,884,799.96, 1,355,029,750.53 and 535,876,769.58

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Solution

The fourth proportional to 981,884,799.96, 1,355,029,750.53 and 535,876,769.58 is: 739,525,619.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,884,799.96 : 1,355,029,750.53 = 535,876,769.58 : x
  2. Step 2: Convert to fraction form
    981,884,799.96/1,355,029,750.53 = 535,876,769.58/x
  3. Step 3: Cross multiply
    981,884,799.96x = 1,355,029,750.53 × 535,876,769.58
  4. Step 4: Simplify right side
    981,884,799.96x = 726,128,965,398,809,600
  5. Step 5: Solve for x
    x = 726,128,965,398,809,600/981,884,799.96
  6. Step 6: Final answer
    x = 739,525,619.94

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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.