Home / 21,602,530,437.63-29,810,844,816.62-11,957,655,746.56

Finding the Fourth Proportional to 21,602,530,437.63, 29,810,844,816.62 and 11,957,655,746.56

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Solution

The fourth proportional to 21,602,530,437.63, 29,810,844,816.62 and 11,957,655,746.56 is: 16,501,206,692.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,602,530,437.63 : 29,810,844,816.62 = 11,957,655,746.56 : x
  2. Step 2: Convert to fraction form
    21,602,530,437.63/29,810,844,816.62 = 11,957,655,746.56/x
  3. Step 3: Cross multiply
    21,602,530,437.63x = 29,810,844,816.62 × 11,957,655,746.56
  4. Step 4: Simplify right side
    21,602,530,437.63x = 356,467,819,831,055,745,024
  5. Step 5: Solve for x
    x = 356,467,819,831,055,745,024/21,602,530,437.63
  6. Step 6: Final answer
    x = 16,501,206,692.44

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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.