Home / 1,261,651,283.64-1,892,543,760.18-388,852,126.20

Finding the Fourth Proportional to 1,261,651,283.64, 1,892,543,760.18 and 388,852,126.20

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Solution

The fourth proportional to 1,261,651,283.64, 1,892,543,760.18 and 388,852,126.20 is: 583,298,788.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,651,283.64 : 1,892,543,760.18 = 388,852,126.20 : x
  2. Step 2: Convert to fraction form
    1,261,651,283.64/1,892,543,760.18 = 388,852,126.20/x
  3. Step 3: Cross multiply
    1,261,651,283.64x = 1,892,543,760.18 × 388,852,126.20
  4. Step 4: Simplify right side
    1,261,651,283.64x = 735,919,665,072,535,936
  5. Step 5: Solve for x
    x = 735,919,665,072,535,936/1,261,651,283.64
  6. Step 6: Final answer
    x = 583,298,788.35

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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.