Home / 981,303,599.71-1,354,203,177.78-535,276,683.10

Finding the Fourth Proportional to 981,303,599.71, 1,354,203,177.78 and 535,276,683.10

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Solution

The fourth proportional to 981,303,599.71, 1,354,203,177.78 and 535,276,683.10 is: 738,684,119.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,303,599.71 : 1,354,203,177.78 = 535,276,683.10 : x
  2. Step 2: Convert to fraction form
    981,303,599.71/1,354,203,177.78 = 535,276,683.10/x
  3. Step 3: Cross multiply
    981,303,599.71x = 1,354,203,177.78 × 535,276,683.10
  4. Step 4: Simplify right side
    981,303,599.71x = 724,873,385,245,558,016
  5. Step 5: Solve for x
    x = 724,873,385,245,558,016/981,303,599.71
  6. Step 6: Final answer
    x = 738,684,119.23

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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.