Home / 47,135,985,416.32-70,717,242,892.08-20,608,831,552

Finding the Fourth Proportional to 47,135,985,416.32, 70,717,242,892.08 and 20,608,831,552

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Solution

The fourth proportional to 47,135,985,416.32, 70,717,242,892.08 and 20,608,831,552 is: 30,919,046,959.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,135,985,416.32 : 70,717,242,892.08 = 20,608,831,552 : x
  2. Step 2: Convert to fraction form
    47,135,985,416.32/70,717,242,892.08 = 20,608,831,552/x
  3. Step 3: Cross multiply
    47,135,985,416.32x = 70,717,242,892.08 × 20,608,831,552
  4. Step 4: Simplify right side
    47,135,985,416.32x = 1,457,399,746,584,746,131,456
  5. Step 5: Solve for x
    x = 1,457,399,746,584,746,131,456/47,135,985,416.32
  6. Step 6: Final answer
    x = 30,919,046,959.82

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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.