Home / 1,258,508,521.48-1,736,749,181.64-730,187,087.44

Finding the Fourth Proportional to 1,258,508,521.48, 1,736,749,181.64 and 730,187,087.44

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Solution

The fourth proportional to 1,258,508,521.48, 1,736,749,181.64 and 730,187,087.44 is: 1,007,662,486.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,508,521.48 : 1,736,749,181.64 = 730,187,087.44 : x
  2. Step 2: Convert to fraction form
    1,258,508,521.48/1,736,749,181.64 = 730,187,087.44/x
  3. Step 3: Cross multiply
    1,258,508,521.48x = 1,736,749,181.64 × 730,187,087.44
  4. Step 4: Simplify right side
    1,258,508,521.48x = 1,268,151,826,555,515,392
  5. Step 5: Solve for x
    x = 1,268,151,826,555,515,392/1,258,508,521.48
  6. Step 6: Final answer
    x = 1,007,662,486.91

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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.