Home / 12,069,397,675.20-18,104,096,512.80-7,420,351,807.20

Finding the Fourth Proportional to 12,069,397,675.20, 18,104,096,512.80 and 7,420,351,807.20

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Solution

The fourth proportional to 12,069,397,675.20, 18,104,096,512.80 and 7,420,351,807.20 is: 11,130,527,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069,397,675.20 : 18,104,096,512.80 = 7,420,351,807.20 : x
  2. Step 2: Convert to fraction form
    12,069,397,675.20/18,104,096,512.80 = 7,420,351,807.20/x
  3. Step 3: Cross multiply
    12,069,397,675.20x = 18,104,096,512.80 × 7,420,351,807.20
  4. Step 4: Simplify right side
    12,069,397,675.20x = 134,338,765,276,478,685,184
  5. Step 5: Solve for x
    x = 134,338,765,276,478,685,184/12,069,397,675.20
  6. Step 6: Final answer
    x = 11,130,527,710.80

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Double scale
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Similar ratio
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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.