Home / 2,186,136,985.20-3,279,205,477.80-1,975,261,196.40

Finding the Fourth Proportional to 2,186,136,985.20, 3,279,205,477.80 and 1,975,261,196.40

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Solution

The fourth proportional to 2,186,136,985.20, 3,279,205,477.80 and 1,975,261,196.40 is: 2,962,891,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,136,985.20 : 3,279,205,477.80 = 1,975,261,196.40 : x
  2. Step 2: Convert to fraction form
    2,186,136,985.20/3,279,205,477.80 = 1,975,261,196.40/x
  3. Step 3: Cross multiply
    2,186,136,985.20x = 3,279,205,477.80 × 1,975,261,196.40
  4. Step 4: Simplify right side
    2,186,136,985.20x = 6,477,287,335,320,662,016
  5. Step 5: Solve for x
    x = 6,477,287,335,320,662,016/2,186,136,985.20
  6. Step 6: Final answer
    x = 2,962,891,794.60

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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.