Home / 12,214,986,961.51-18,288,344,000.98-6,598,803,499.75

Finding the Fourth Proportional to 12,214,986,961.51, 18,288,344,000.98 and 6,598,803,499.75

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Solution

The fourth proportional to 12,214,986,961.51, 18,288,344,000.98 and 6,598,803,499.75 is: 9,879,763,996.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214,986,961.51 : 18,288,344,000.98 = 6,598,803,499.75 : x
  2. Step 2: Convert to fraction form
    12,214,986,961.51/18,288,344,000.98 = 6,598,803,499.75/x
  3. Step 3: Cross multiply
    12,214,986,961.51x = 18,288,344,000.98 × 6,598,803,499.75
  4. Step 4: Simplify right side
    12,214,986,961.51x = 120,681,188,398,298,742,784
  5. Step 5: Solve for x
    x = 120,681,188,398,298,742,784/12,214,986,961.51
  6. Step 6: Final answer
    x = 9,879,763,996.36

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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.