Home / 3,078,237,598.62-4,247,854,081.11-1,668,511,293.90

Finding the Fourth Proportional to 3,078,237,598.62, 4,247,854,081.11 and 1,668,511,293.90

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Solution

The fourth proportional to 3,078,237,598.62, 4,247,854,081.11 and 1,668,511,293.90 is: 2,302,483,899.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,237,598.62 : 4,247,854,081.11 = 1,668,511,293.90 : x
  2. Step 2: Convert to fraction form
    3,078,237,598.62/4,247,854,081.11 = 1,668,511,293.90/x
  3. Step 3: Cross multiply
    3,078,237,598.62x = 4,247,854,081.11 × 1,668,511,293.90
  4. Step 4: Simplify right side
    3,078,237,598.62x = 7,087,592,509,171,241,984
  5. Step 5: Solve for x
    x = 7,087,592,509,171,241,984/3,078,237,598.62
  6. Step 6: Final answer
    x = 2,302,483,899.34

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Double scale
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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.