Home / 809,403,592.95-1,214,221,205.79-249,212,819.88

Finding the Fourth Proportional to 809,403,592.95, 1,214,221,205.79 and 249,212,819.88

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Solution

The fourth proportional to 809,403,592.95, 1,214,221,205.79 and 249,212,819.88 is: 373,854,889.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,403,592.95 : 1,214,221,205.79 = 249,212,819.88 : x
  2. Step 2: Convert to fraction form
    809,403,592.95/1,214,221,205.79 = 249,212,819.88/x
  3. Step 3: Cross multiply
    809,403,592.95x = 1,214,221,205.79 × 249,212,819.88
  4. Step 4: Simplify right side
    809,403,592.95x = 302,599,490,653,019,648
  5. Step 5: Solve for x
    x = 302,599,490,653,019,648/809,403,592.95
  6. Step 6: Final answer
    x = 373,854,889.31

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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.