Home / 37,901,995,940.34-52,306,388,820.99-20,985,644,989.53

Finding the Fourth Proportional to 37,901,995,940.34, 52,306,388,820.99 and 20,985,644,989.53

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Solution

The fourth proportional to 37,901,995,940.34, 52,306,388,820.99 and 20,985,644,989.53 is: 28,961,095,035.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,901,995,940.34 : 52,306,388,820.99 = 20,985,644,989.53 : x
  2. Step 2: Convert to fraction form
    37,901,995,940.34/52,306,388,820.99 = 20,985,644,989.53/x
  3. Step 3: Cross multiply
    37,901,995,940.34x = 52,306,388,820.99 × 20,985,644,989.53
  4. Step 4: Simplify right side
    37,901,995,940.34x = 1,097,683,306,481,616,683,008
  5. Step 5: Solve for x
    x = 1,097,683,306,481,616,683,008/37,901,995,940.34
  6. Step 6: Final answer
    x = 28,961,095,035.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.