Home / 952,689,654.94-1,428,543,812.85-427,608,618.03

Finding the Fourth Proportional to 952,689,654.94, 1,428,543,812.85 and 427,608,618.03

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Solution

The fourth proportional to 952,689,654.94, 1,428,543,812.85 and 427,608,618.03 is: 641,192,693.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,689,654.94 : 1,428,543,812.85 = 427,608,618.03 : x
  2. Step 2: Convert to fraction form
    952,689,654.94/1,428,543,812.85 = 427,608,618.03/x
  3. Step 3: Cross multiply
    952,689,654.94x = 1,428,543,812.85 × 427,608,618.03
  4. Step 4: Simplify right side
    952,689,654.94x = 610,857,645,608,095,360
  5. Step 5: Solve for x
    x = 610,857,645,608,095,360/952,689,654.94
  6. Step 6: Final answer
    x = 641,192,693.17

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1.5x scale

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.