Home / 981,884,795.44-1,355,029,744.80-535,876,765.24

Finding the Fourth Proportional to 981,884,795.44, 1,355,029,744.80 and 535,876,765.24

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Solution

The fourth proportional to 981,884,795.44, 1,355,029,744.80 and 535,876,765.24 is: 739,525,614.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,884,795.44 : 1,355,029,744.80 = 535,876,765.24 : x
  2. Step 2: Convert to fraction form
    981,884,795.44/1,355,029,744.80 = 535,876,765.24/x
  3. Step 3: Cross multiply
    981,884,795.44x = 1,355,029,744.80 × 535,876,765.24
  4. Step 4: Simplify right side
    981,884,795.44x = 726,128,956,447,406,720
  5. Step 5: Solve for x
    x = 726,128,956,447,406,720/981,884,795.44
  6. Step 6: Final answer
    x = 739,525,614.23

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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.