Home / 21,831,855,430.84-30,127,960,542.10-11,807,350,276.76

Finding the Fourth Proportional to 21,831,855,430.84, 30,127,960,542.10 and 11,807,350,276.76

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Solution

The fourth proportional to 21,831,855,430.84, 30,127,960,542.10 and 11,807,350,276.76 is: 16,294,143,407.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,831,855,430.84 : 30,127,960,542.10 = 11,807,350,276.76 : x
  2. Step 2: Convert to fraction form
    21,831,855,430.84/30,127,960,542.10 = 11,807,350,276.76/x
  3. Step 3: Cross multiply
    21,831,855,430.84x = 30,127,960,542.10 × 11,807,350,276.76
  4. Step 4: Simplify right side
    21,831,855,430.84x = 355,731,383,244,978,782,208
  5. Step 5: Solve for x
    x = 355,731,383,244,978,782,208/21,831,855,430.84
  6. Step 6: Final answer
    x = 16,294,143,407.64

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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.