Home / 869,282,513.40-1,303,986,755.70-523,491,569.40

Finding the Fourth Proportional to 869,282,513.40, 1,303,986,755.70 and 523,491,569.40

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Solution

The fourth proportional to 869,282,513.40, 1,303,986,755.70 and 523,491,569.40 is: 785,275,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,282,513.40 : 1,303,986,755.70 = 523,491,569.40 : x
  2. Step 2: Convert to fraction form
    869,282,513.40/1,303,986,755.70 = 523,491,569.40/x
  3. Step 3: Cross multiply
    869,282,513.40x = 1,303,986,755.70 × 523,491,569.40
  4. Step 4: Simplify right side
    869,282,513.40x = 682,626,073,218,207,360
  5. Step 5: Solve for x
    x = 682,626,073,218,207,360/869,282,513.40
  6. Step 6: Final answer
    x = 785,275,284.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.