Home / 1,487,131,577.92-2,052,230,225.88-818,062,216.48

Finding the Fourth Proportional to 1,487,131,577.92, 2,052,230,225.88 and 818,062,216.48

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Solution

The fourth proportional to 1,487,131,577.92, 2,052,230,225.88 and 818,062,216.48 is: 1,128,919,614.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,131,577.92 : 2,052,230,225.88 = 818,062,216.48 : x
  2. Step 2: Convert to fraction form
    1,487,131,577.92/2,052,230,225.88 = 818,062,216.48/x
  3. Step 3: Cross multiply
    1,487,131,577.92x = 2,052,230,225.88 × 818,062,216.48
  4. Step 4: Simplify right side
    1,487,131,577.92x = 1,678,852,007,310,643,968
  5. Step 5: Solve for x
    x = 1,678,852,007,310,643,968/1,487,131,577.92
  6. Step 6: Final answer
    x = 1,128,919,614.27

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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.