Home / 1,530,361,491.20-2,295,542,236.80-495,326,999.60

Finding the Fourth Proportional to 1,530,361,491.20, 2,295,542,236.80 and 495,326,999.60

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Solution

The fourth proportional to 1,530,361,491.20, 2,295,542,236.80 and 495,326,999.60 is: 742,990,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,361,491.20 : 2,295,542,236.80 = 495,326,999.60 : x
  2. Step 2: Convert to fraction form
    1,530,361,491.20/2,295,542,236.80 = 495,326,999.60/x
  3. Step 3: Cross multiply
    1,530,361,491.20x = 2,295,542,236.80 × 495,326,999.60
  4. Step 4: Simplify right side
    1,530,361,491.20x = 1,137,044,048,609,216,896
  5. Step 5: Solve for x
    x = 1,137,044,048,609,216,896/1,530,361,491.20
  6. Step 6: Final answer
    x = 742,990,499.40

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Half scale
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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.