Home / 981,303,600.72-1,354,203,179.16-535,276,684.10

Finding the Fourth Proportional to 981,303,600.72, 1,354,203,179.16 and 535,276,684.10

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Solution

The fourth proportional to 981,303,600.72, 1,354,203,179.16 and 535,276,684.10 is: 738,684,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,303,600.72 : 1,354,203,179.16 = 535,276,684.10 : x
  2. Step 2: Convert to fraction form
    981,303,600.72/1,354,203,179.16 = 535,276,684.10/x
  3. Step 3: Cross multiply
    981,303,600.72x = 1,354,203,179.16 × 535,276,684.10
  4. Step 4: Simplify right side
    981,303,600.72x = 724,873,387,338,443,136
  5. Step 5: Solve for x
    x = 724,873,387,338,443,136/981,303,600.72
  6. Step 6: Final answer
    x = 738,684,120.60

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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.