Home / 9,404,693,816.89-12,978,479,585.82-5,175,605,705.53

Finding the Fourth Proportional to 9,404,693,816.89, 12,978,479,585.82 and 5,175,605,705.53

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Solution

The fourth proportional to 9,404,693,816.89, 12,978,479,585.82 and 5,175,605,705.53 is: 7,142,337,039.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,404,693,816.89 : 12,978,479,585.82 = 5,175,605,705.53 : x
  2. Step 2: Convert to fraction form
    9,404,693,816.89/12,978,479,585.82 = 5,175,605,705.53/x
  3. Step 3: Cross multiply
    9,404,693,816.89x = 12,978,479,585.82 × 5,175,605,705.53
  4. Step 4: Simplify right side
    9,404,693,816.89x = 67,171,492,993,389,027,328
  5. Step 5: Solve for x
    x = 67,171,492,993,389,027,328/9,404,693,816.89
  6. Step 6: Final answer
    x = 7,142,337,039.48

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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.