Home / 31,611,007,669.64-47,419,298,635.02-8,921,563,868.20

Finding the Fourth Proportional to 31,611,007,669.64, 47,419,298,635.02 and 8,921,563,868.20

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Solution

The fourth proportional to 31,611,007,669.64, 47,419,298,635.02 and 8,921,563,868.20 is: 13,383,132,413.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,611,007,669.64 : 47,419,298,635.02 = 8,921,563,868.20 : x
  2. Step 2: Convert to fraction form
    31,611,007,669.64/47,419,298,635.02 = 8,921,563,868.20/x
  3. Step 3: Cross multiply
    31,611,007,669.64x = 47,419,298,635.02 × 8,921,563,868.20
  4. Step 4: Simplify right side
    31,611,007,669.64x = 423,054,301,357,342,851,072
  5. Step 5: Solve for x
    x = 423,054,301,357,342,851,072/31,611,007,669.64
  6. Step 6: Final answer
    x = 13,383,132,413.20

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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.