Home / 15,337,854,641.76-21,166,032,454.32-8,563,777,563.36

Finding the Fourth Proportional to 15,337,854,641.76, 21,166,032,454.32 and 8,563,777,563.36

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Solution

The fourth proportional to 15,337,854,641.76, 21,166,032,454.32 and 8,563,777,563.36 is: 11,817,897,487.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,337,854,641.76 : 21,166,032,454.32 = 8,563,777,563.36 : x
  2. Step 2: Convert to fraction form
    15,337,854,641.76/21,166,032,454.32 = 8,563,777,563.36/x
  3. Step 3: Cross multiply
    15,337,854,641.76x = 21,166,032,454.32 × 8,563,777,563.36
  4. Step 4: Simplify right side
    15,337,854,641.76x = 181,261,193,837,655,195,648
  5. Step 5: Solve for x
    x = 181,261,193,837,655,195,648/15,337,854,641.76
  6. Step 6: Final answer
    x = 11,817,897,487.71

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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.