Home / 21,254,950,463.31-29,331,657,324.42-11,609,686,583.89

Finding the Fourth Proportional to 21,254,950,463.31, 29,331,657,324.42 and 11,609,686,583.89

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Solution

The fourth proportional to 21,254,950,463.31, 29,331,657,324.42 and 11,609,686,583.89 is: 16,021,272,273.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,254,950,463.31 : 29,331,657,324.42 = 11,609,686,583.89 : x
  2. Step 2: Convert to fraction form
    21,254,950,463.31/29,331,657,324.42 = 11,609,686,583.89/x
  3. Step 3: Cross multiply
    21,254,950,463.31x = 29,331,657,324.42 × 11,609,686,583.89
  4. Step 4: Simplify right side
    21,254,950,463.31x = 340,531,348,522,402,381,824
  5. Step 5: Solve for x
    x = 340,531,348,522,402,381,824/21,254,950,463.31
  6. Step 6: Final answer
    x = 16,021,272,273.03

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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.