Home / 534,387,643.20-801,581,464.80-262,289,851.20

Finding the Fourth Proportional to 534,387,643.20, 801,581,464.80 and 262,289,851.20

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Solution

The fourth proportional to 534,387,643.20, 801,581,464.80 and 262,289,851.20 is: 393,434,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,387,643.20 : 801,581,464.80 = 262,289,851.20 : x
  2. Step 2: Convert to fraction form
    534,387,643.20/801,581,464.80 = 262,289,851.20/x
  3. Step 3: Cross multiply
    534,387,643.20x = 801,581,464.80 × 262,289,851.20
  4. Step 4: Simplify right side
    534,387,643.20x = 210,246,683,127,070,016
  5. Step 5: Solve for x
    x = 210,246,683,127,070,016/534,387,643.20
  6. Step 6: Final answer
    x = 393,434,776.80

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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.