Home / 42,425,491,745.72-63,649,047,128.58-12,580,913,098.36

Finding the Fourth Proportional to 42,425,491,745.72, 63,649,047,128.58 and 12,580,913,098.36

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Solution

The fourth proportional to 42,425,491,745.72, 63,649,047,128.58 and 12,580,913,098.36 is: 18,874,575,114.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,425,491,745.72 : 63,649,047,128.58 = 12,580,913,098.36 : x
  2. Step 2: Convert to fraction form
    42,425,491,745.72/63,649,047,128.58 = 12,580,913,098.36/x
  3. Step 3: Cross multiply
    42,425,491,745.72x = 63,649,047,128.58 × 12,580,913,098.36
  4. Step 4: Simplify right side
    42,425,491,745.72x = 800,763,130,718,085,185,536
  5. Step 5: Solve for x
    x = 800,763,130,718,085,185,536/42,425,491,745.72
  6. Step 6: Final answer
    x = 18,874,575,114.36

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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.