Home / 854,783,932.80-1,281,751,329.12-272,442,403.20

Finding the Fourth Proportional to 854,783,932.80, 1,281,751,329.12 and 272,442,403.20

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Solution

The fourth proportional to 854,783,932.80, 1,281,751,329.12 and 272,442,403.20 is: 408,528,283.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,783,932.80 : 1,281,751,329.12 = 272,442,403.20 : x
  2. Step 2: Convert to fraction form
    854,783,932.80/1,281,751,329.12 = 272,442,403.20/x
  3. Step 3: Cross multiply
    854,783,932.80x = 1,281,751,329.12 × 272,442,403.20
  4. Step 4: Simplify right side
    854,783,932.80x = 349,203,412,410,246,912
  5. Step 5: Solve for x
    x = 349,203,412,410,246,912/854,783,932.80
  6. Step 6: Final answer
    x = 408,528,283.01

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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.