Home / 3,319,222,214.70-4,978,833,322.05-3,128,753,760.30

Finding the Fourth Proportional to 3,319,222,214.70, 4,978,833,322.05 and 3,128,753,760.30

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Solution

The fourth proportional to 3,319,222,214.70, 4,978,833,322.05 and 3,128,753,760.30 is: 4,693,130,640.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319,222,214.70 : 4,978,833,322.05 = 3,128,753,760.30 : x
  2. Step 2: Convert to fraction form
    3,319,222,214.70/4,978,833,322.05 = 3,128,753,760.30/x
  3. Step 3: Cross multiply
    3,319,222,214.70x = 4,978,833,322.05 × 3,128,753,760.30
  4. Step 4: Simplify right side
    3,319,222,214.70x = 15,577,543,478,270,879,744
  5. Step 5: Solve for x
    x = 15,577,543,478,270,879,744/3,319,222,214.70
  6. Step 6: Final answer
    x = 4,693,130,640.45

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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.