Home / 335,328,985.60-501,985,708.80-198,944,166.40

Finding the Fourth Proportional to 335,328,985.60, 501,985,708.80 and 198,944,166.40

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Solution

The fourth proportional to 335,328,985.60, 501,985,708.80 and 198,944,166.40 is: 297,818,359.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,328,985.60 : 501,985,708.80 = 198,944,166.40 : x
  2. Step 2: Convert to fraction form
    335,328,985.60/501,985,708.80 = 198,944,166.40/x
  3. Step 3: Cross multiply
    335,328,985.60x = 501,985,708.80 × 198,944,166.40
  4. Step 4: Simplify right side
    335,328,985.60x = 99,867,128,381,929,152
  5. Step 5: Solve for x
    x = 99,867,128,381,929,152/335,328,985.60
  6. Step 6: Final answer
    x = 297,818,359.49

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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.