Home / 12,149,662,521.93-16,766,410,769.73-6,724,208,814.36

Finding the Fourth Proportional to 12,149,662,521.93, 16,766,410,769.73 and 6,724,208,814.36

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Solution

The fourth proportional to 12,149,662,521.93, 16,766,410,769.73 and 6,724,208,814.36 is: 9,279,339,807.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,149,662,521.93 : 16,766,410,769.73 = 6,724,208,814.36 : x
  2. Step 2: Convert to fraction form
    12,149,662,521.93/16,766,410,769.73 = 6,724,208,814.36/x
  3. Step 3: Cross multiply
    12,149,662,521.93x = 16,766,410,769.73 × 6,724,208,814.36
  4. Step 4: Simplify right side
    12,149,662,521.93x = 112,740,847,082,998,890,496
  5. Step 5: Solve for x
    x = 112,740,847,082,998,890,496/12,149,662,521.93
  6. Step 6: Final answer
    x = 9,279,339,807.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.