Home / 21,347,748,552.64-31,976,574,652.96-17,127,854,564.80

Finding the Fourth Proportional to 21,347,748,552.64, 31,976,574,652.96 and 17,127,854,564.80

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Solution

The fourth proportional to 21,347,748,552.64, 31,976,574,652.96 and 17,127,854,564.80 is: 25,655,638,522.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,347,748,552.64 : 31,976,574,652.96 = 17,127,854,564.80 : x
  2. Step 2: Convert to fraction form
    21,347,748,552.64/31,976,574,652.96 = 17,127,854,564.80/x
  3. Step 3: Cross multiply
    21,347,748,552.64x = 31,976,574,652.96 × 17,127,854,564.80
  4. Step 4: Simplify right side
    21,347,748,552.64x = 547,690,120,136,368,848,896
  5. Step 5: Solve for x
    x = 547,690,120,136,368,848,896/21,347,748,552.64
  6. Step 6: Final answer
    x = 25,655,638,522.53

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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.