Home / 1,208,954,025.10-1,813,431,037.65-442,949,596.30

Finding the Fourth Proportional to 1,208,954,025.10, 1,813,431,037.65 and 442,949,596.30

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Solution

The fourth proportional to 1,208,954,025.10, 1,813,431,037.65 and 442,949,596.30 is: 664,424,394.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,954,025.10 : 1,813,431,037.65 = 442,949,596.30 : x
  2. Step 2: Convert to fraction form
    1,208,954,025.10/1,813,431,037.65 = 442,949,596.30/x
  3. Step 3: Cross multiply
    1,208,954,025.10x = 1,813,431,037.65 × 442,949,596.30
  4. Step 4: Simplify right side
    1,208,954,025.10x = 803,258,546,044,957,696
  5. Step 5: Solve for x
    x = 803,258,546,044,957,696/1,208,954,025.10
  6. Step 6: Final answer
    x = 664,424,394.45

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Double scale
Find fourth proportional to 1,208,954,026.10, 1,813,431,039.15 and 442,949,597.30
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.