Home / 947,137,906,870.05-1,420,790,379,866.30-267,222,212,817.40

Finding the Fourth Proportional to 947,137,906,870.05, 1,420,790,379,866.30 and 267,222,212,817.40

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Solution

The fourth proportional to 947,137,906,870.05, 1,420,790,379,866.30 and 267,222,212,817.40 is: 400,856,883,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,137,906,870.05 : 1,420,790,379,866.30 = 267,222,212,817.40 : x
  2. Step 2: Convert to fraction form
    947,137,906,870.05/1,420,790,379,866.30 = 267,222,212,817.40/x
  3. Step 3: Cross multiply
    947,137,906,870.05x = 1,420,790,379,866.30 × 267,222,212,817.40
  4. Step 4: Simplify right side
    947,137,906,870.05x = 379,666,749,257,547,012,636,672
  5. Step 5: Solve for x
    x = 379,666,749,257,547,012,636,672/947,137,906,870.05
  6. Step 6: Final answer
    x = 400,856,883,146.20

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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.