Home / 881,249,517.72-1,321,883,492.75-259,476,522.10

Finding the Fourth Proportional to 881,249,517.72, 1,321,883,492.75 and 259,476,522.10

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Solution

The fourth proportional to 881,249,517.72, 1,321,883,492.75 and 259,476,522.10 is: 389,217,496.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,249,517.72 : 1,321,883,492.75 = 259,476,522.10 : x
  2. Step 2: Convert to fraction form
    881,249,517.72/1,321,883,492.75 = 259,476,522.10/x
  3. Step 3: Cross multiply
    881,249,517.72x = 1,321,883,492.75 × 259,476,522.10
  4. Step 4: Simplify right side
    881,249,517.72x = 342,997,731,320,170,560
  5. Step 5: Solve for x
    x = 342,997,731,320,170,560/881,249,517.72
  6. Step 6: Final answer
    x = 389,217,496.77

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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.