Home / 5,645,278,063.90-7,790,490,186.96-3,139,097,967.28

Finding the Fourth Proportional to 5,645,278,063.90, 7,790,490,186.96 and 3,139,097,967.28

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Solution

The fourth proportional to 5,645,278,063.90, 7,790,490,186.96 and 3,139,097,967.28 is: 4,331,958,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645,278,063.90 : 7,790,490,186.96 = 3,139,097,967.28 : x
  2. Step 2: Convert to fraction form
    5,645,278,063.90/7,790,490,186.96 = 3,139,097,967.28/x
  3. Step 3: Cross multiply
    5,645,278,063.90x = 7,790,490,186.96 × 3,139,097,967.28
  4. Step 4: Simplify right side
    5,645,278,063.90x = 24,455,111,910,000,926,720
  5. Step 5: Solve for x
    x = 24,455,111,910,000,926,720/5,645,278,063.90
  6. Step 6: Final answer
    x = 4,331,958,786.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.