Home / 271,881,862,478.20-407,753,232,065.28-80,609,173,866.34

Finding the Fourth Proportional to 271,881,862,478.20, 407,753,232,065.28 and 80,609,173,866.34

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Solution

The fourth proportional to 271,881,862,478.20, 407,753,232,065.28 and 80,609,173,866.34 is: 120,893,136,741.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,881,862,478.20 : 407,753,232,065.28 = 80,609,173,866.34 : x
  2. Step 2: Convert to fraction form
    271,881,862,478.20/407,753,232,065.28 = 80,609,173,866.34/x
  3. Step 3: Cross multiply
    271,881,862,478.20x = 407,753,232,065.28 × 80,609,173,866.34
  4. Step 4: Simplify right side
    271,881,862,478.20x = 32,868,651,178,112,237,699,072
  5. Step 5: Solve for x
    x = 32,868,651,178,112,237,699,072/271,881,862,478.20
  6. Step 6: Final answer
    x = 120,893,136,741.51

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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.