Home / 913,617,513,236.88-1,369,574,231,743.10-308,821,916,612.88

Finding the Fourth Proportional to 913,617,513,236.88, 1,369,574,231,743.10 and 308,821,916,612.88

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Solution

The fourth proportional to 913,617,513,236.88, 1,369,574,231,743.10 and 308,821,916,612.88 is: 462,944,868,134.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,617,513,236.88 : 1,369,574,231,743.10 = 308,821,916,612.88 : x
  2. Step 2: Convert to fraction form
    913,617,513,236.88/1,369,574,231,743.10 = 308,821,916,612.88/x
  3. Step 3: Cross multiply
    913,617,513,236.88x = 1,369,574,231,743.10 × 308,821,916,612.88
  4. Step 4: Simplify right side
    913,617,513,236.88x = 422,954,539,190,516,824,670,208
  5. Step 5: Solve for x
    x = 422,954,539,190,516,824,670,208/913,617,513,236.88
  6. Step 6: Final answer
    x = 462,944,868,134.17

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Double scale
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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.