Home / 259,943,386,807.15-389,915,080,210.72-259,943,386,807.15

Finding the Fourth Proportional to 259,943,386,807.15, 389,915,080,210.72 and 259,943,386,807.15

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Solution

The fourth proportional to 259,943,386,807.15, 389,915,080,210.72 and 259,943,386,807.15 is: 389,915,080,210.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,943,386,807.15 : 389,915,080,210.72 = 259,943,386,807.15 : x
  2. Step 2: Convert to fraction form
    259,943,386,807.15/389,915,080,210.72 = 259,943,386,807.15/x
  3. Step 3: Cross multiply
    259,943,386,807.15x = 389,915,080,210.72 × 259,943,386,807.15
  4. Step 4: Simplify right side
    259,943,386,807.15x = 101,355,846,517,156,093,100,032
  5. Step 5: Solve for x
    x = 101,355,846,517,156,093,100,032/259,943,386,807.15
  6. Step 6: Final answer
    x = 389,915,080,210.72

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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.