Home / 1,304,914,656.80-1,957,371,985.20-443,271,648.80

Finding the Fourth Proportional to 1,304,914,656.80, 1,957,371,985.20 and 443,271,648.80

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Solution

The fourth proportional to 1,304,914,656.80, 1,957,371,985.20 and 443,271,648.80 is: 664,907,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,914,656.80 : 1,957,371,985.20 = 443,271,648.80 : x
  2. Step 2: Convert to fraction form
    1,304,914,656.80/1,957,371,985.20 = 443,271,648.80/x
  3. Step 3: Cross multiply
    1,304,914,656.80x = 1,957,371,985.20 × 443,271,648.80
  4. Step 4: Simplify right side
    1,304,914,656.80x = 867,647,507,194,533,248
  5. Step 5: Solve for x
    x = 867,647,507,194,533,248/1,304,914,656.80
  6. Step 6: Final answer
    x = 664,907,473.20

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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.