Home / 271,881,862,511.16-407,753,232,114.92-80,609,173,899.28

Finding the Fourth Proportional to 271,881,862,511.16, 407,753,232,114.92 and 80,609,173,899.28

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Solution

The fourth proportional to 271,881,862,511.16, 407,753,232,114.92 and 80,609,173,899.28 is: 120,893,136,790.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,881,862,511.16 : 407,753,232,114.92 = 80,609,173,899.28 : x
  2. Step 2: Convert to fraction form
    271,881,862,511.16/407,753,232,114.92 = 80,609,173,899.28/x
  3. Step 3: Cross multiply
    271,881,862,511.16x = 407,753,232,114.92 × 80,609,173,899.28
  4. Step 4: Simplify right side
    271,881,862,511.16x = 32,868,651,195,545,065,357,312
  5. Step 5: Solve for x
    x = 32,868,651,195,545,065,357,312/271,881,862,511.16
  6. Step 6: Final answer
    x = 120,893,136,790.97

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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.