Home / 1,242,216,187.20-1,863,324,280.80-1,234,154,030.40

Finding the Fourth Proportional to 1,242,216,187.20, 1,863,324,280.80 and 1,234,154,030.40

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Solution

The fourth proportional to 1,242,216,187.20, 1,863,324,280.80 and 1,234,154,030.40 is: 1,851,231,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,216,187.20 : 1,863,324,280.80 = 1,234,154,030.40 : x
  2. Step 2: Convert to fraction form
    1,242,216,187.20/1,863,324,280.80 = 1,234,154,030.40/x
  3. Step 3: Cross multiply
    1,242,216,187.20x = 1,863,324,280.80 × 1,234,154,030.40
  4. Step 4: Simplify right side
    1,242,216,187.20x = 2,299,629,171,091,501,568
  5. Step 5: Solve for x
    x = 2,299,629,171,091,501,568/1,242,216,187.20
  6. Step 6: Final answer
    x = 1,851,231,045.60

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Double scale
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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.