Home / 485,245,810.80-727,868,716.20-301,579,801.20

Finding the Fourth Proportional to 485,245,810.80, 727,868,716.20 and 301,579,801.20

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Solution

The fourth proportional to 485,245,810.80, 727,868,716.20 and 301,579,801.20 is: 452,369,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,245,810.80 : 727,868,716.20 = 301,579,801.20 : x
  2. Step 2: Convert to fraction form
    485,245,810.80/727,868,716.20 = 301,579,801.20/x
  3. Step 3: Cross multiply
    485,245,810.80x = 727,868,716.20 × 301,579,801.20
  4. Step 4: Simplify right side
    485,245,810.80x = 219,510,502,731,295,232
  5. Step 5: Solve for x
    x = 219,510,502,731,295,232/485,245,810.80
  6. Step 6: Final answer
    x = 452,369,701.80

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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.