Home / 440,723,312.80-661,084,969.20-236,649,968.80

Finding the Fourth Proportional to 440,723,312.80, 661,084,969.20 and 236,649,968.80

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Solution

The fourth proportional to 440,723,312.80, 661,084,969.20 and 236,649,968.80 is: 354,974,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,723,312.80 : 661,084,969.20 = 236,649,968.80 : x
  2. Step 2: Convert to fraction form
    440,723,312.80/661,084,969.20 = 236,649,968.80/x
  3. Step 3: Cross multiply
    440,723,312.80x = 661,084,969.20 × 236,649,968.80
  4. Step 4: Simplify right side
    440,723,312.80x = 156,445,737,335,328,992
  5. Step 5: Solve for x
    x = 156,445,737,335,328,992/440,723,312.80
  6. Step 6: Final answer
    x = 354,974,953.20

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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.