Home / 13,452,128,521.80-20,178,192,782.70-9,267,987,240.60

Finding the Fourth Proportional to 13,452,128,521.80, 20,178,192,782.70 and 9,267,987,240.60

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Solution

The fourth proportional to 13,452,128,521.80, 20,178,192,782.70 and 9,267,987,240.60 is: 13,901,980,860.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452,128,521.80 : 20,178,192,782.70 = 9,267,987,240.60 : x
  2. Step 2: Convert to fraction form
    13,452,128,521.80/20,178,192,782.70 = 9,267,987,240.60/x
  3. Step 3: Cross multiply
    13,452,128,521.80x = 20,178,192,782.70 × 9,267,987,240.60
  4. Step 4: Simplify right side
    13,452,128,521.80x = 187,011,233,248,430,620,672
  5. Step 5: Solve for x
    x = 187,011,233,248,430,620,672/13,452,128,521.80
  6. Step 6: Final answer
    x = 13,901,980,860.90

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Double scale
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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.