Home / 14,131,339,812.12-21,203,269,313.91-7,406,883,664.08

Finding the Fourth Proportional to 14,131,339,812.12, 21,203,269,313.91 and 7,406,883,664.08

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Solution

The fourth proportional to 14,131,339,812.12, 21,203,269,313.91 and 7,406,883,664.08 is: 11,113,606,437.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131,339,812.12 : 21,203,269,313.91 = 7,406,883,664.08 : x
  2. Step 2: Convert to fraction form
    14,131,339,812.12/21,203,269,313.91 = 7,406,883,664.08/x
  3. Step 3: Cross multiply
    14,131,339,812.12x = 21,203,269,313.91 × 7,406,883,664.08
  4. Step 4: Simplify right side
    14,131,339,812.12x = 157,050,149,106,288,721,920
  5. Step 5: Solve for x
    x = 157,050,149,106,288,721,920/14,131,339,812.12
  6. Step 6: Final answer
    x = 11,113,606,437.49

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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.