Home / 637,781,628.80-880,138,640.59-344,426,196.80

Finding the Fourth Proportional to 637,781,628.80, 880,138,640.59 and 344,426,196.80

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Solution

The fourth proportional to 637,781,628.80, 880,138,640.59 and 344,426,196.80 is: 475,308,147.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,781,628.80 : 880,138,640.59 = 344,426,196.80 : x
  2. Step 2: Convert to fraction form
    637,781,628.80/880,138,640.59 = 344,426,196.80/x
  3. Step 3: Cross multiply
    637,781,628.80x = 880,138,640.59 × 344,426,196.80
  4. Step 4: Simplify right side
    637,781,628.80x = 303,142,804,629,874,048
  5. Step 5: Solve for x
    x = 303,142,804,629,874,048/637,781,628.80
  6. Step 6: Final answer
    x = 475,308,147.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.