Home / 12,576,385,737.20-18,864,578,605.80-9,674,009,289.20

Finding the Fourth Proportional to 12,576,385,737.20, 18,864,578,605.80 and 9,674,009,289.20

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Solution

The fourth proportional to 12,576,385,737.20, 18,864,578,605.80 and 9,674,009,289.20 is: 14,511,013,933.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576,385,737.20 : 18,864,578,605.80 = 9,674,009,289.20 : x
  2. Step 2: Convert to fraction form
    12,576,385,737.20/18,864,578,605.80 = 9,674,009,289.20/x
  3. Step 3: Cross multiply
    12,576,385,737.20x = 18,864,578,605.80 × 9,674,009,289.20
  4. Step 4: Simplify right side
    12,576,385,737.20x = 182,496,108,669,352,804,352
  5. Step 5: Solve for x
    x = 182,496,108,669,352,804,352/12,576,385,737.20
  6. Step 6: Final answer
    x = 14,511,013,933.80

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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.