Home / 18,538,045,011.40-27,807,067,517.10-6,903,456,953.80

Finding the Fourth Proportional to 18,538,045,011.40, 27,807,067,517.10 and 6,903,456,953.80

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Solution

The fourth proportional to 18,538,045,011.40, 27,807,067,517.10 and 6,903,456,953.80 is: 10,355,185,430.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538,045,011.40 : 27,807,067,517.10 = 6,903,456,953.80 : x
  2. Step 2: Convert to fraction form
    18,538,045,011.40/27,807,067,517.10 = 6,903,456,953.80/x
  3. Step 3: Cross multiply
    18,538,045,011.40x = 27,807,067,517.10 × 6,903,456,953.80
  4. Step 4: Simplify right side
    18,538,045,011.40x = 191,964,893,615,710,076,928
  5. Step 5: Solve for x
    x = 191,964,893,615,710,076,928/18,538,045,011.40
  6. Step 6: Final answer
    x = 10,355,185,430.70

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Double scale
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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.