Home / 1,082,256,515.20-1,623,384,772.80-927,288,319.60

Finding the Fourth Proportional to 1,082,256,515.20, 1,623,384,772.80 and 927,288,319.60

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Solution

The fourth proportional to 1,082,256,515.20, 1,623,384,772.80 and 927,288,319.60 is: 1,390,932,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,256,515.20 : 1,623,384,772.80 = 927,288,319.60 : x
  2. Step 2: Convert to fraction form
    1,082,256,515.20/1,623,384,772.80 = 927,288,319.60/x
  3. Step 3: Cross multiply
    1,082,256,515.20x = 1,623,384,772.80 × 927,288,319.60
  4. Step 4: Simplify right side
    1,082,256,515.20x = 1,505,345,738,033,939,712
  5. Step 5: Solve for x
    x = 1,505,345,738,033,939,712/1,082,256,515.20
  6. Step 6: Final answer
    x = 1,390,932,479.40

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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.