Home / 1,609,692,786.30-2,414,539,179.45-1,261,014,346.20

Finding the Fourth Proportional to 1,609,692,786.30, 2,414,539,179.45 and 1,261,014,346.20

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Solution

The fourth proportional to 1,609,692,786.30, 2,414,539,179.45 and 1,261,014,346.20 is: 1,891,521,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,692,786.30 : 2,414,539,179.45 = 1,261,014,346.20 : x
  2. Step 2: Convert to fraction form
    1,609,692,786.30/2,414,539,179.45 = 1,261,014,346.20/x
  3. Step 3: Cross multiply
    1,609,692,786.30x = 2,414,539,179.45 × 1,261,014,346.20
  4. Step 4: Simplify right side
    1,609,692,786.30x = 3,044,768,544,748,426,240
  5. Step 5: Solve for x
    x = 3,044,768,544,748,426,240/1,609,692,786.30
  6. Step 6: Final answer
    x = 1,891,521,519.30

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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.