Home / 47,135,985,262.76-70,717,242,661.50-20,608,831,398.44

Finding the Fourth Proportional to 47,135,985,262.76, 70,717,242,661.50 and 20,608,831,398.44

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Solution

The fourth proportional to 47,135,985,262.76, 70,717,242,661.50 and 20,608,831,398.44 is: 30,919,046,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,135,985,262.76 : 70,717,242,661.50 = 20,608,831,398.44 : x
  2. Step 2: Convert to fraction form
    47,135,985,262.76/70,717,242,661.50 = 20,608,831,398.44/x
  3. Step 3: Cross multiply
    47,135,985,262.76x = 70,717,242,661.50 × 20,608,831,398.44
  4. Step 4: Simplify right side
    47,135,985,262.76x = 1,457,399,730,973,421,862,912
  5. Step 5: Solve for x
    x = 1,457,399,730,973,421,862,912/47,135,985,262.76
  6. Step 6: Final answer
    x = 30,919,046,729.35

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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.