Home / 12,576,385,846.20-18,864,578,769.30-9,674,009,398.20

Finding the Fourth Proportional to 12,576,385,846.20, 18,864,578,769.30 and 9,674,009,398.20

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Solution

The fourth proportional to 12,576,385,846.20, 18,864,578,769.30 and 9,674,009,398.20 is: 14,511,014,097.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576,385,846.20 : 18,864,578,769.30 = 9,674,009,398.20 : x
  2. Step 2: Convert to fraction form
    12,576,385,846.20/18,864,578,769.30 = 9,674,009,398.20/x
  3. Step 3: Cross multiply
    12,576,385,846.20x = 18,864,578,769.30 × 9,674,009,398.20
  4. Step 4: Simplify right side
    12,576,385,846.20x = 182,496,112,307,292,405,760
  5. Step 5: Solve for x
    x = 182,496,112,307,292,405,760/12,576,385,846.20
  6. Step 6: Final answer
    x = 14,511,014,097.30

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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.