Home / 626,187,438.43-938,464,067.10-349,827,489.61

Finding the Fourth Proportional to 626,187,438.43, 938,464,067.10 and 349,827,489.61

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Solution

The fourth proportional to 626,187,438.43, 938,464,067.10 and 349,827,489.61 is: 524,284,756.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,187,438.43 : 938,464,067.10 = 349,827,489.61 : x
  2. Step 2: Convert to fraction form
    626,187,438.43/938,464,067.10 = 349,827,489.61/x
  3. Step 3: Cross multiply
    626,187,438.43x = 938,464,067.10 × 349,827,489.61
  4. Step 4: Simplify right side
    626,187,438.43x = 328,300,528,680,437,440
  5. Step 5: Solve for x
    x = 328,300,528,680,437,440/626,187,438.43
  6. Step 6: Final answer
    x = 524,284,756.50

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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.