Home / 13,440,831,543.53-18,548,282,859.17-7,419,284,275.45

Finding the Fourth Proportional to 13,440,831,543.53, 18,548,282,859.17 and 7,419,284,275.45

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Solution

The fourth proportional to 13,440,831,543.53, 18,548,282,859.17 and 7,419,284,275.45 is: 10,238,576,602.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440,831,543.53 : 18,548,282,859.17 = 7,419,284,275.45 : x
  2. Step 2: Convert to fraction form
    13,440,831,543.53/18,548,282,859.17 = 7,419,284,275.45/x
  3. Step 3: Cross multiply
    13,440,831,543.53x = 18,548,282,859.17 × 7,419,284,275.45
  4. Step 4: Simplify right side
    13,440,831,543.53x = 137,614,983,353,707,380,736
  5. Step 5: Solve for x
    x = 137,614,983,353,707,380,736/13,440,831,543.53
  6. Step 6: Final answer
    x = 10,238,576,602.05

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1.5x scale

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.