Home / 12,678,768,007.20-19,018,152,010.80-11,284,054,246.80

Finding the Fourth Proportional to 12,678,768,007.20, 19,018,152,010.80 and 11,284,054,246.80

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Solution

The fourth proportional to 12,678,768,007.20, 19,018,152,010.80 and 11,284,054,246.80 is: 16,926,081,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,678,768,007.20 : 19,018,152,010.80 = 11,284,054,246.80 : x
  2. Step 2: Convert to fraction form
    12,678,768,007.20/19,018,152,010.80 = 11,284,054,246.80/x
  3. Step 3: Cross multiply
    12,678,768,007.20x = 19,018,152,010.80 × 11,284,054,246.80
  4. Step 4: Simplify right side
    12,678,768,007.20x = 214,601,858,963,755,663,360
  5. Step 5: Solve for x
    x = 214,601,858,963,755,663,360/12,678,768,007.20
  6. Step 6: Final answer
    x = 16,926,081,370.20

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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.