Home / 12,576,385,829.20-18,864,578,743.80-9,674,009,381.20

Finding the Fourth Proportional to 12,576,385,829.20, 18,864,578,743.80 and 9,674,009,381.20

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Solution

The fourth proportional to 12,576,385,829.20, 18,864,578,743.80 and 9,674,009,381.20 is: 14,511,014,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576,385,829.20 : 18,864,578,743.80 = 9,674,009,381.20 : x
  2. Step 2: Convert to fraction form
    12,576,385,829.20/18,864,578,743.80 = 9,674,009,381.20/x
  3. Step 3: Cross multiply
    12,576,385,829.20x = 18,864,578,743.80 × 9,674,009,381.20
  4. Step 4: Simplify right side
    12,576,385,829.20x = 182,496,111,739,907,309,568
  5. Step 5: Solve for x
    x = 182,496,111,739,907,309,568/12,576,385,829.20
  6. Step 6: Final answer
    x = 14,511,014,071.80

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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.