Home / 981,492,933.60-1,354,464,641.61-535,454,945.17

Finding the Fourth Proportional to 981,492,933.60, 1,354,464,641.61 and 535,454,945.17

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Solution

The fourth proportional to 981,492,933.60, 1,354,464,641.61 and 535,454,945.17 is: 738,930,221.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,492,933.60 : 1,354,464,641.61 = 535,454,945.17 : x
  2. Step 2: Convert to fraction form
    981,492,933.60/1,354,464,641.61 = 535,454,945.17/x
  3. Step 3: Cross multiply
    981,492,933.60x = 1,354,464,641.61 × 535,454,945.17
  4. Step 4: Simplify right side
    981,492,933.60x = 725,254,790,407,986,176
  5. Step 5: Solve for x
    x = 725,254,790,407,986,176/981,492,933.60
  6. Step 6: Final answer
    x = 738,930,221.07

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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.