Home / 423,961,403.40-635,963,100.30-219,888,059.40

Finding the Fourth Proportional to 423,961,403.40, 635,963,100.30 and 219,888,059.40

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Solution

The fourth proportional to 423,961,403.40, 635,963,100.30 and 219,888,059.40 is: 329,842,978.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,961,403.40 : 635,963,100.30 = 219,888,059.40 : x
  2. Step 2: Convert to fraction form
    423,961,403.40/635,963,100.30 = 219,888,059.40/x
  3. Step 3: Cross multiply
    423,961,403.40x = 635,963,100.30 × 219,888,059.40
  4. Step 4: Simplify right side
    423,961,403.40x = 139,840,691,974,974,544
  5. Step 5: Solve for x
    x = 139,840,691,974,974,544/423,961,403.40
  6. Step 6: Final answer
    x = 329,842,978.28

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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.