Home / 3,078,237,560.18-4,247,854,028.20-1,668,511,255.86

Finding the Fourth Proportional to 3,078,237,560.18, 4,247,854,028.20 and 1,668,511,255.86

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Solution

The fourth proportional to 3,078,237,560.18, 4,247,854,028.20 and 1,668,511,255.86 is: 2,302,483,846.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,237,560.18 : 4,247,854,028.20 = 1,668,511,255.86 : x
  2. Step 2: Convert to fraction form
    3,078,237,560.18/4,247,854,028.20 = 1,668,511,255.86/x
  3. Step 3: Cross multiply
    3,078,237,560.18x = 4,247,854,028.20 × 1,668,511,255.86
  4. Step 4: Simplify right side
    3,078,237,560.18x = 7,087,592,259,301,941,248
  5. Step 5: Solve for x
    x = 7,087,592,259,301,941,248/3,078,237,560.18
  6. Step 6: Final answer
    x = 2,302,483,846.92

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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.