Home / 15,684,379,946.74-21,644,517,624.21-8,910,570,223.49

Finding the Fourth Proportional to 15,684,379,946.74, 21,644,517,624.21 and 8,910,570,223.49

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Solution

The fourth proportional to 15,684,379,946.74, 21,644,517,624.21 and 8,910,570,223.49 is: 12,296,628,550.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,684,379,946.74 : 21,644,517,624.21 = 8,910,570,223.49 : x
  2. Step 2: Convert to fraction form
    15,684,379,946.74/21,644,517,624.21 = 8,910,570,223.49/x
  3. Step 3: Cross multiply
    15,684,379,946.74x = 21,644,517,624.21 × 8,910,570,223.49
  4. Step 4: Simplify right side
    15,684,379,946.74x = 192,864,994,243,981,934,592
  5. Step 5: Solve for x
    x = 192,864,994,243,981,934,592/15,684,379,946.74
  6. Step 6: Final answer
    x = 12,296,628,550.12

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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.