Home / 3,985,658,532.80-5,978,487,799.20-2,609,717,105.60

Finding the Fourth Proportional to 3,985,658,532.80, 5,978,487,799.20 and 2,609,717,105.60

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Solution

The fourth proportional to 3,985,658,532.80, 5,978,487,799.20 and 2,609,717,105.60 is: 3,914,575,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,658,532.80 : 5,978,487,799.20 = 2,609,717,105.60 : x
  2. Step 2: Convert to fraction form
    3,985,658,532.80/5,978,487,799.20 = 2,609,717,105.60/x
  3. Step 3: Cross multiply
    3,985,658,532.80x = 5,978,487,799.20 × 2,609,717,105.60
  4. Step 4: Simplify right side
    3,985,658,532.80x = 15,602,161,875,193,137,152
  5. Step 5: Solve for x
    x = 15,602,161,875,193,137,152/3,985,658,532.80
  6. Step 6: Final answer
    x = 3,914,575,658.40

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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.