Home / 349,721,107.20-524,581,660.80-339,643,411.20

Finding the Fourth Proportional to 349,721,107.20, 524,581,660.80 and 339,643,411.20

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Solution

The fourth proportional to 349,721,107.20, 524,581,660.80 and 339,643,411.20 is: 509,465,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,721,107.20 : 524,581,660.80 = 339,643,411.20 : x
  2. Step 2: Convert to fraction form
    349,721,107.20/524,581,660.80 = 339,643,411.20/x
  3. Step 3: Cross multiply
    349,721,107.20x = 524,581,660.80 × 339,643,411.20
  4. Step 4: Simplify right side
    349,721,107.20x = 178,170,704,727,073,312
  5. Step 5: Solve for x
    x = 178,170,704,727,073,312/349,721,107.20
  6. Step 6: Final answer
    x = 509,465,116.80

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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.