Home / 1,920,284,182.38-2,650,418,483.38-1,167,437,387.64

Finding the Fourth Proportional to 1,920,284,182.38, 2,650,418,483.38 and 1,167,437,387.64

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Solution

The fourth proportional to 1,920,284,182.38, 2,650,418,483.38 and 1,167,437,387.64 is: 1,611,322,771.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,284,182.38 : 2,650,418,483.38 = 1,167,437,387.64 : x
  2. Step 2: Convert to fraction form
    1,920,284,182.38/2,650,418,483.38 = 1,167,437,387.64/x
  3. Step 3: Cross multiply
    1,920,284,182.38x = 2,650,418,483.38 × 1,167,437,387.64
  4. Step 4: Simplify right side
    1,920,284,182.38x = 3,094,197,630,389,918,208
  5. Step 5: Solve for x
    x = 3,094,197,630,389,918,208/1,920,284,182.38
  6. Step 6: Final answer
    x = 1,611,322,771.28

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Double scale
Find fourth proportional to 1,920,284,183.38, 2,650,418,484.76 and 1,167,437,388.64
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.