Home / 21,434,415,222.34-29,579,517,529.73-11,918,762,667.71

Finding the Fourth Proportional to 21,434,415,222.34, 29,579,517,529.73 and 11,918,762,667.71

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Solution

The fourth proportional to 21,434,415,222.34, 29,579,517,529.73 and 11,918,762,667.71 is: 16,447,906,117.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,434,415,222.34 : 29,579,517,529.73 = 11,918,762,667.71 : x
  2. Step 2: Convert to fraction form
    21,434,415,222.34/29,579,517,529.73 = 11,918,762,667.71/x
  3. Step 3: Cross multiply
    21,434,415,222.34x = 29,579,517,529.73 × 11,918,762,667.71
  4. Step 4: Simplify right side
    21,434,415,222.34x = 352,551,249,262,219,427,840
  5. Step 5: Solve for x
    x = 352,551,249,262,219,427,840/21,434,415,222.34
  6. Step 6: Final answer
    x = 16,447,906,117.58

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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.