Home / 866,052,030.30-1,299,078,045.45-219,819,774.30

Finding the Fourth Proportional to 866,052,030.30, 1,299,078,045.45 and 219,819,774.30

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Solution

The fourth proportional to 866,052,030.30, 1,299,078,045.45 and 219,819,774.30 is: 329,729,661.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,052,030.30 : 1,299,078,045.45 = 219,819,774.30 : x
  2. Step 2: Convert to fraction form
    866,052,030.30/1,299,078,045.45 = 219,819,774.30/x
  3. Step 3: Cross multiply
    866,052,030.30x = 1,299,078,045.45 × 219,819,774.30
  4. Step 4: Simplify right side
    866,052,030.30x = 285,563,042,748,904,160
  5. Step 5: Solve for x
    x = 285,563,042,748,904,160/866,052,030.30
  6. Step 6: Final answer
    x = 329,729,661.45

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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.