Home / 12,663,969,297.77-18,998,872,213.85-4,382,856,312.59

Finding the Fourth Proportional to 12,663,969,297.77, 18,998,872,213.85 and 4,382,856,312.59

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Solution

The fourth proportional to 12,663,969,297.77, 18,998,872,213.85 and 4,382,856,312.59 is: 6,575,294,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,663,969,297.77 : 18,998,872,213.85 = 4,382,856,312.59 : x
  2. Step 2: Convert to fraction form
    12,663,969,297.77/18,998,872,213.85 = 4,382,856,312.59/x
  3. Step 3: Cross multiply
    12,663,969,297.77x = 18,998,872,213.85 × 4,382,856,312.59
  4. Step 4: Simplify right side
    12,663,969,297.77x = 83,269,327,014,606,323,712
  5. Step 5: Solve for x
    x = 83,269,327,014,606,323,712/12,663,969,297.77
  6. Step 6: Final answer
    x = 6,575,294,448.10

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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.