Home / 13,970,282,316.89-19,278,891,522.71-7,626,650,149.58

Finding the Fourth Proportional to 13,970,282,316.89, 19,278,891,522.71 and 7,626,650,149.58

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Solution

The fourth proportional to 13,970,282,316.89, 19,278,891,522.71 and 7,626,650,149.58 is: 10,524,723,665.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,970,282,316.89 : 19,278,891,522.71 = 7,626,650,149.58 : x
  2. Step 2: Convert to fraction form
    13,970,282,316.89/19,278,891,522.71 = 7,626,650,149.58/x
  3. Step 3: Cross multiply
    13,970,282,316.89x = 19,278,891,522.71 × 7,626,650,149.58
  4. Step 4: Simplify right side
    13,970,282,316.89x = 147,033,360,915,278,299,136
  5. Step 5: Solve for x
    x = 147,033,360,915,278,299,136/13,970,282,316.89
  6. Step 6: Final answer
    x = 10,524,723,665.57

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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.