Home / 21,629,252,249.46-29,847,973,041.81-11,983,947,038.82

Finding the Fourth Proportional to 21,629,252,249.46, 29,847,973,041.81 and 11,983,947,038.82

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Solution

The fourth proportional to 21,629,252,249.46, 29,847,973,041.81 and 11,983,947,038.82 is: 16,537,628,024.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,629,252,249.46 : 29,847,973,041.81 = 11,983,947,038.82 : x
  2. Step 2: Convert to fraction form
    21,629,252,249.46/29,847,973,041.81 = 11,983,947,038.82/x
  3. Step 3: Cross multiply
    21,629,252,249.46x = 29,847,973,041.81 × 11,983,947,038.82
  4. Step 4: Simplify right side
    21,629,252,249.46x = 357,696,528,149,178,155,008
  5. Step 5: Solve for x
    x = 357,696,528,149,178,155,008/21,629,252,249.46
  6. Step 6: Final answer
    x = 16,537,628,024.48

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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.