Home / 31,611,007,669.14-47,419,298,634.27-8,921,563,867.70

Finding the Fourth Proportional to 31,611,007,669.14, 47,419,298,634.27 and 8,921,563,867.70

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Solution

The fourth proportional to 31,611,007,669.14, 47,419,298,634.27 and 8,921,563,867.70 is: 13,383,132,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,611,007,669.14 : 47,419,298,634.27 = 8,921,563,867.70 : x
  2. Step 2: Convert to fraction form
    31,611,007,669.14/47,419,298,634.27 = 8,921,563,867.70/x
  3. Step 3: Cross multiply
    31,611,007,669.14x = 47,419,298,634.27 × 8,921,563,867.70
  4. Step 4: Simplify right side
    31,611,007,669.14x = 423,054,301,326,942,076,928
  5. Step 5: Solve for x
    x = 423,054,301,326,942,076,928/31,611,007,669.14
  6. Step 6: Final answer
    x = 13,383,132,412.45

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1.5x scale

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.