Home / 55,632,401,702.40-83,419,937,107.20-20,717,887,987.20

Finding the Fourth Proportional to 55,632,401,702.40, 83,419,937,107.20 and 20,717,887,987.20

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Solution

The fourth proportional to 55,632,401,702.40, 83,419,937,107.20 and 20,717,887,987.20 is: 31,066,156,771.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,632,401,702.40 : 83,419,937,107.20 = 20,717,887,987.20 : x
  2. Step 2: Convert to fraction form
    55,632,401,702.40/83,419,937,107.20 = 20,717,887,987.20/x
  3. Step 3: Cross multiply
    55,632,401,702.40x = 83,419,937,107.20 × 20,717,887,987.20
  4. Step 4: Simplify right side
    55,632,401,702.40x = 1,728,284,912,886,238,412,800
  5. Step 5: Solve for x
    x = 1,728,284,912,886,238,412,800/55,632,401,702.40
  6. Step 6: Final answer
    x = 31,066,156,771.94

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1.5x scale

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.