Home / 3,639,288,141.40-5,458,932,212.10-1,310,584,538.20

Finding the Fourth Proportional to 3,639,288,141.40, 5,458,932,212.10 and 1,310,584,538.20

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Solution

The fourth proportional to 3,639,288,141.40, 5,458,932,212.10 and 1,310,584,538.20 is: 1,965,876,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639,288,141.40 : 5,458,932,212.10 = 1,310,584,538.20 : x
  2. Step 2: Convert to fraction form
    3,639,288,141.40/5,458,932,212.10 = 1,310,584,538.20/x
  3. Step 3: Cross multiply
    3,639,288,141.40x = 5,458,932,212.10 × 1,310,584,538.20
  4. Step 4: Simplify right side
    3,639,288,141.40x = 7,154,392,152,260,184,064
  5. Step 5: Solve for x
    x = 7,154,392,152,260,184,064/3,639,288,141.40
  6. Step 6: Final answer
    x = 1,965,876,807.30

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Double scale
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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.