Home / 1,208,954,039.10-1,813,431,058.65-442,949,610.30

Finding the Fourth Proportional to 1,208,954,039.10, 1,813,431,058.65 and 442,949,610.30

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Solution

The fourth proportional to 1,208,954,039.10, 1,813,431,058.65 and 442,949,610.30 is: 664,424,415.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,954,039.10 : 1,813,431,058.65 = 442,949,610.30 : x
  2. Step 2: Convert to fraction form
    1,208,954,039.10/1,813,431,058.65 = 442,949,610.30/x
  3. Step 3: Cross multiply
    1,208,954,039.10x = 1,813,431,058.65 × 442,949,610.30
  4. Step 4: Simplify right side
    1,208,954,039.10x = 803,258,580,734,934,016
  5. Step 5: Solve for x
    x = 803,258,580,734,934,016/1,208,954,039.10
  6. Step 6: Final answer
    x = 664,424,415.45

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Half scale
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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.