Home / 862,155,840-1,294,051,359.52-533,637,615.36

Finding the Fourth Proportional to 862,155,840, 1,294,051,359.52 and 533,637,615.36

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Solution

The fourth proportional to 862,155,840, 1,294,051,359.52 and 533,637,615.36 is: 800,962,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,155,840 : 1,294,051,359.52 = 533,637,615.36 : x
  2. Step 2: Convert to fraction form
    862,155,840/1,294,051,359.52 = 533,637,615.36/x
  3. Step 3: Cross multiply
    862,155,840x = 1,294,051,359.52 × 533,637,615.36
  4. Step 4: Simplify right side
    862,155,840x = 690,554,481,647,618,816
  5. Step 5: Solve for x
    x = 690,554,481,647,618,816/862,155,840
  6. Step 6: Final answer
    x = 800,962,482.20

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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.