Home / 18,445,337,240.42-25,454,577,402.32-9,987,166,747.28

Finding the Fourth Proportional to 18,445,337,240.42, 25,454,577,402.32 and 9,987,166,747.28

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Solution

The fourth proportional to 18,445,337,240.42, 25,454,577,402.32 and 9,987,166,747.28 is: 13,782,296,614.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445,337,240.42 : 25,454,577,402.32 = 9,987,166,747.28 : x
  2. Step 2: Convert to fraction form
    18,445,337,240.42/25,454,577,402.32 = 9,987,166,747.28/x
  3. Step 3: Cross multiply
    18,445,337,240.42x = 25,454,577,402.32 × 9,987,166,747.28
  4. Step 4: Simplify right side
    18,445,337,240.42x = 254,219,108,998,515,228,672
  5. Step 5: Solve for x
    x = 254,219,108,998,515,228,672/18,445,337,240.42
  6. Step 6: Final answer
    x = 13,782,296,614.31

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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.