Home / 18,538,045,017.90-27,807,067,526.85-6,903,456,960.30

Finding the Fourth Proportional to 18,538,045,017.90, 27,807,067,526.85 and 6,903,456,960.30

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Solution

The fourth proportional to 18,538,045,017.90, 27,807,067,526.85 and 6,903,456,960.30 is: 10,355,185,440.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538,045,017.90 : 27,807,067,526.85 = 6,903,456,960.30 : x
  2. Step 2: Convert to fraction form
    18,538,045,017.90/27,807,067,526.85 = 6,903,456,960.30/x
  3. Step 3: Cross multiply
    18,538,045,017.90x = 27,807,067,526.85 × 6,903,456,960.30
  4. Step 4: Simplify right side
    18,538,045,017.90x = 191,964,893,863,764,721,664
  5. Step 5: Solve for x
    x = 191,964,893,863,764,721,664/18,538,045,017.90
  6. Step 6: Final answer
    x = 10,355,185,440.45

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Double scale
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Similar ratio
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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.