Home / 806,217,383,457.72-1,112,613,789,592.60-463,661,513,897.40

Finding the Fourth Proportional to 806,217,383,457.72, 1,112,613,789,592.60 and 463,661,513,897.40

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Solution

The fourth proportional to 806,217,383,457.72, 1,112,613,789,592.60 and 463,661,513,897.40 is: 639,872,328,047.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,217,383,457.72 : 1,112,613,789,592.60 = 463,661,513,897.40 : x
  2. Step 2: Convert to fraction form
    806,217,383,457.72/1,112,613,789,592.60 = 463,661,513,897.40/x
  3. Step 3: Cross multiply
    806,217,383,457.72x = 1,112,613,789,592.60 × 463,661,513,897.40
  4. Step 4: Simplify right side
    806,217,383,457.72x = 515,876,194,065,628,232,941,568
  5. Step 5: Solve for x
    x = 515,876,194,065,628,232,941,568/806,217,383,457.72
  6. Step 6: Final answer
    x = 639,872,328,047.72

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Double scale
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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.