Home / 243,002,513,050.26-364,137,721,004.42-216,520,457,283.78

Finding the Fourth Proportional to 243,002,513,050.26, 364,137,721,004.42 and 216,520,457,283.78

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Solution

The fourth proportional to 243,002,513,050.26, 364,137,721,004.42 and 216,520,457,283.78 is: 324,454,528,788.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,002,513,050.26 : 364,137,721,004.42 = 216,520,457,283.78 : x
  2. Step 2: Convert to fraction form
    243,002,513,050.26/364,137,721,004.42 = 216,520,457,283.78/x
  3. Step 3: Cross multiply
    243,002,513,050.26x = 364,137,721,004.42 × 216,520,457,283.78
  4. Step 4: Simplify right side
    243,002,513,050.26x = 78,843,265,866,150,510,067,712
  5. Step 5: Solve for x
    x = 78,843,265,866,150,510,067,712/243,002,513,050.26
  6. Step 6: Final answer
    x = 324,454,528,788.53

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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.