Home / 1,639,602,481.90-2,459,403,722.85-1,481,445,640.30

Finding the Fourth Proportional to 1,639,602,481.90, 2,459,403,722.85 and 1,481,445,640.30

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Solution

The fourth proportional to 1,639,602,481.90, 2,459,403,722.85 and 1,481,445,640.30 is: 2,222,168,460.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,602,481.90 : 2,459,403,722.85 = 1,481,445,640.30 : x
  2. Step 2: Convert to fraction form
    1,639,602,481.90/2,459,403,722.85 = 1,481,445,640.30/x
  3. Step 3: Cross multiply
    1,639,602,481.90x = 2,459,403,722.85 × 1,481,445,640.30
  4. Step 4: Simplify right side
    1,639,602,481.90x = 3,643,472,922,953,721,856
  5. Step 5: Solve for x
    x = 3,643,472,922,953,721,856/1,639,602,481.90
  6. Step 6: Final answer
    x = 2,222,168,460.45

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Double scale
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Similar ratio
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1.5x scale

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.