Home / 505,501,900,418.79-758,513,542,431.51-236,918,166,870.20

Finding the Fourth Proportional to 505,501,900,418.79, 758,513,542,431.51 and 236,918,166,870.20

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Solution

The fourth proportional to 505,501,900,418.79, 758,513,542,431.51 and 236,918,166,870.20 is: 355,499,431,100.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,501,900,418.79 : 758,513,542,431.51 = 236,918,166,870.20 : x
  2. Step 2: Convert to fraction form
    505,501,900,418.79/758,513,542,431.51 = 236,918,166,870.20/x
  3. Step 3: Cross multiply
    505,501,900,418.79x = 758,513,542,431.51 × 236,918,166,870.20
  4. Step 4: Simplify right side
    505,501,900,418.79x = 179,705,638,019,095,039,311,872
  5. Step 5: Solve for x
    x = 179,705,638,019,095,039,311,872/505,501,900,418.79
  6. Step 6: Final answer
    x = 355,499,431,100.49

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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.