Home / 766,512,812.34-1,149,778,373.40-213,781,611.19

Finding the Fourth Proportional to 766,512,812.34, 1,149,778,373.40 and 213,781,611.19

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Solution

The fourth proportional to 766,512,812.34, 1,149,778,373.40 and 213,781,611.19 is: 320,674,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,512,812.34 : 1,149,778,373.40 = 213,781,611.19 : x
  2. Step 2: Convert to fraction form
    766,512,812.34/1,149,778,373.40 = 213,781,611.19/x
  3. Step 3: Cross multiply
    766,512,812.34x = 1,149,778,373.40 × 213,781,611.19
  4. Step 4: Simplify right side
    766,512,812.34x = 245,801,473,180,285,344
  5. Step 5: Solve for x
    x = 245,801,473,180,285,344/766,512,812.34
  6. Step 6: Final answer
    x = 320,674,970.10

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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.