Home / 643,792,913.40-965,689,370.10-234,862,404.60

Finding the Fourth Proportional to 643,792,913.40, 965,689,370.10 and 234,862,404.60

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Solution

The fourth proportional to 643,792,913.40, 965,689,370.10 and 234,862,404.60 is: 352,293,606.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,792,913.40 : 965,689,370.10 = 234,862,404.60 : x
  2. Step 2: Convert to fraction form
    643,792,913.40/965,689,370.10 = 234,862,404.60/x
  3. Step 3: Cross multiply
    643,792,913.40x = 965,689,370.10 × 234,862,404.60
  4. Step 4: Simplify right side
    643,792,913.40x = 226,804,127,558,345,344
  5. Step 5: Solve for x
    x = 226,804,127,558,345,344/643,792,913.40
  6. Step 6: Final answer
    x = 352,293,606.90

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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.