Home / 465,719,463,009.15-698,579,194,513.73-386,220,778,666.35

Finding the Fourth Proportional to 465,719,463,009.15, 698,579,194,513.73 and 386,220,778,666.35

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Solution

The fourth proportional to 465,719,463,009.15, 698,579,194,513.73 and 386,220,778,666.35 is: 579,331,167,999.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,719,463,009.15 : 698,579,194,513.73 = 386,220,778,666.35 : x
  2. Step 2: Convert to fraction form
    465,719,463,009.15/698,579,194,513.73 = 386,220,778,666.35/x
  3. Step 3: Cross multiply
    465,719,463,009.15x = 698,579,194,513.73 × 386,220,778,666.35
  4. Step 4: Simplify right side
    465,719,463,009.15x = 269,805,800,465,204,351,336,448
  5. Step 5: Solve for x
    x = 269,805,800,465,204,351,336,448/465,719,463,009.15
  6. Step 6: Final answer
    x = 579,331,167,999.53

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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.