Home / 1,296,841,698.10-1,789,620,180.60-702,121,427.74

Finding the Fourth Proportional to 1,296,841,698.10, 1,789,620,180.60 and 702,121,427.74

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Solution

The fourth proportional to 1,296,841,698.10, 1,789,620,180.60 and 702,121,427.74 is: 968,916,004.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,841,698.10 : 1,789,620,180.60 = 702,121,427.74 : x
  2. Step 2: Convert to fraction form
    1,296,841,698.10/1,789,620,180.60 = 702,121,427.74/x
  3. Step 3: Cross multiply
    1,296,841,698.10x = 1,789,620,180.60 × 702,121,427.74
  4. Step 4: Simplify right side
    1,296,841,698.10x = 1,256,530,676,315,188,480
  5. Step 5: Solve for x
    x = 1,256,530,676,315,188,480/1,296,841,698.10
  6. Step 6: Final answer
    x = 968,916,004.29

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Double scale
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1.5x scale

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.