Home / 20,967,952,820-31,456,346,465.36-6,801,812,444.48

Finding the Fourth Proportional to 20,967,952,820, 31,456,346,465.36 and 6,801,812,444.48

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Solution

The fourth proportional to 20,967,952,820, 31,456,346,465.36 and 6,801,812,444.48 is: 10,204,151,577.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,967,952,820 : 31,456,346,465.36 = 6,801,812,444.48 : x
  2. Step 2: Convert to fraction form
    20,967,952,820/31,456,346,465.36 = 6,801,812,444.48/x
  3. Step 3: Cross multiply
    20,967,952,820x = 31,456,346,465.36 × 6,801,812,444.48
  4. Step 4: Simplify right side
    20,967,952,820x = 213,960,168,845,960,085,504
  5. Step 5: Solve for x
    x = 213,960,168,845,960,085,504/20,967,952,820
  6. Step 6: Final answer
    x = 10,204,151,577.54

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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.