Home / 981,884,800.96-1,355,029,751.91-535,876,770.58

Finding the Fourth Proportional to 981,884,800.96, 1,355,029,751.91 and 535,876,770.58

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Solution

The fourth proportional to 981,884,800.96, 1,355,029,751.91 and 535,876,770.58 is: 739,525,621.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,884,800.96 : 1,355,029,751.91 = 535,876,770.58 : x
  2. Step 2: Convert to fraction form
    981,884,800.96/1,355,029,751.91 = 535,876,770.58/x
  3. Step 3: Cross multiply
    981,884,800.96x = 1,355,029,751.91 × 535,876,770.58
  4. Step 4: Simplify right side
    981,884,800.96x = 726,128,967,493,349,376
  5. Step 5: Solve for x
    x = 726,128,967,493,349,376/981,884,800.96
  6. Step 6: Final answer
    x = 739,525,621.32

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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.