Home / 545,260,928,608.40-817,891,392,912.60-262,831,392,127.40

Finding the Fourth Proportional to 545,260,928,608.40, 817,891,392,912.60 and 262,831,392,127.40

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Solution

The fourth proportional to 545,260,928,608.40, 817,891,392,912.60 and 262,831,392,127.40 is: 394,247,088,191.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,260,928,608.40 : 817,891,392,912.60 = 262,831,392,127.40 : x
  2. Step 2: Convert to fraction form
    545,260,928,608.40/817,891,392,912.60 = 262,831,392,127.40/x
  3. Step 3: Cross multiply
    545,260,928,608.40x = 817,891,392,912.60 × 262,831,392,127.40
  4. Step 4: Simplify right side
    545,260,928,608.40x = 214,967,533,408,236,947,374,080
  5. Step 5: Solve for x
    x = 214,967,533,408,236,947,374,080/545,260,928,608.40
  6. Step 6: Final answer
    x = 394,247,088,191.10

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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.