Home / 14,412,719,792.90-21,622,339,637.62-7,780,206,581.76

Finding the Fourth Proportional to 14,412,719,792.90, 21,622,339,637.62 and 7,780,206,581.76

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Solution

The fourth proportional to 14,412,719,792.90, 21,622,339,637.62 and 7,780,206,581.76 is: 11,672,069,642.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412,719,792.90 : 21,622,339,637.62 = 7,780,206,581.76 : x
  2. Step 2: Convert to fraction form
    14,412,719,792.90/21,622,339,637.62 = 7,780,206,581.76/x
  3. Step 3: Cross multiply
    14,412,719,792.90x = 21,622,339,637.62 × 7,780,206,581.76
  4. Step 4: Simplify right side
    14,412,719,792.90x = 168,226,269,161,661,267,968
  5. Step 5: Solve for x
    x = 168,226,269,161,661,267,968/14,412,719,792.90
  6. Step 6: Final answer
    x = 11,672,069,642.58

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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.