Home / 869,282,510.40-1,303,986,751.20-523,491,566.40

Finding the Fourth Proportional to 869,282,510.40, 1,303,986,751.20 and 523,491,566.40

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Solution

The fourth proportional to 869,282,510.40, 1,303,986,751.20 and 523,491,566.40 is: 785,275,280.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,282,510.40 : 1,303,986,751.20 = 523,491,566.40 : x
  2. Step 2: Convert to fraction form
    869,282,510.40/1,303,986,751.20 = 523,491,566.40/x
  3. Step 3: Cross multiply
    869,282,510.40x = 1,303,986,751.20 × 523,491,566.40
  4. Step 4: Simplify right side
    869,282,510.40x = 682,626,066,950,535,040
  5. Step 5: Solve for x
    x = 682,626,066,950,535,040/869,282,510.40
  6. Step 6: Final answer
    x = 785,275,280.23

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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.