Home / 1,119,745,339.40-1,679,618,009.10-1,078,930,670.60

Finding the Fourth Proportional to 1,119,745,339.40, 1,679,618,009.10 and 1,078,930,670.60

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Solution

The fourth proportional to 1,119,745,339.40, 1,679,618,009.10 and 1,078,930,670.60 is: 1,618,396,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,745,339.40 : 1,679,618,009.10 = 1,078,930,670.60 : x
  2. Step 2: Convert to fraction form
    1,119,745,339.40/1,679,618,009.10 = 1,078,930,670.60/x
  3. Step 3: Cross multiply
    1,119,745,339.40x = 1,679,618,009.10 × 1,078,930,670.60
  4. Step 4: Simplify right side
    1,119,745,339.40x = 1,812,191,384,910,099,712
  5. Step 5: Solve for x
    x = 1,812,191,384,910,099,712/1,119,745,339.40
  6. Step 6: Final answer
    x = 1,618,396,005.90

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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.