Home / 12,528,215,566.15-17,289,265,150.30-6,812,834,263.23

Finding the Fourth Proportional to 12,528,215,566.15, 17,289,265,150.30 and 6,812,834,263.23

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Solution

The fourth proportional to 12,528,215,566.15, 17,289,265,150.30 and 6,812,834,263.23 is: 9,401,889,469.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,215,566.15 : 17,289,265,150.30 = 6,812,834,263.23 : x
  2. Step 2: Convert to fraction form
    12,528,215,566.15/17,289,265,150.30 = 6,812,834,263.23/x
  3. Step 3: Cross multiply
    12,528,215,566.15x = 17,289,265,150.30 × 6,812,834,263.23
  4. Step 4: Simplify right side
    12,528,215,566.15x = 117,788,898,002,032,197,632
  5. Step 5: Solve for x
    x = 117,788,898,002,032,197,632/12,528,215,566.15
  6. Step 6: Final answer
    x = 9,401,889,469.42

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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.