Home / 310,766,998.80-466,150,498.20-208,579,990.80

Finding the Fourth Proportional to 310,766,998.80, 466,150,498.20 and 208,579,990.80

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Solution

The fourth proportional to 310,766,998.80, 466,150,498.20 and 208,579,990.80 is: 312,869,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,766,998.80 : 466,150,498.20 = 208,579,990.80 : x
  2. Step 2: Convert to fraction form
    310,766,998.80/466,150,498.20 = 208,579,990.80/x
  3. Step 3: Cross multiply
    310,766,998.80x = 466,150,498.20 × 208,579,990.80
  4. Step 4: Simplify right side
    310,766,998.80x = 97,229,666,625,971,424
  5. Step 5: Solve for x
    x = 97,229,666,625,971,424/310,766,998.80
  6. Step 6: Final answer
    x = 312,869,986.20

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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.