Home / 51,118,420,794.32-70,546,145,705.16-28,563,831,707.60

Finding the Fourth Proportional to 51,118,420,794.32, 70,546,145,705.16 and 28,563,831,707.60

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Solution

The fourth proportional to 51,118,420,794.32, 70,546,145,705.16 and 28,563,831,707.60 is: 39,419,610,430.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,118,420,794.32 : 70,546,145,705.16 = 28,563,831,707.60 : x
  2. Step 2: Convert to fraction form
    51,118,420,794.32/70,546,145,705.16 = 28,563,831,707.60/x
  3. Step 3: Cross multiply
    51,118,420,794.32x = 70,546,145,705.16 × 28,563,831,707.60
  4. Step 4: Simplify right side
    51,118,420,794.32x = 2,015,068,233,542,018,793,472
  5. Step 5: Solve for x
    x = 2,015,068,233,542,018,793,472/51,118,420,794.32
  6. Step 6: Final answer
    x = 39,419,610,430.65

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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.