Home / 379,505,088.01-569,270,232.91-130,507,902.55

Finding the Fourth Proportional to 379,505,088.01, 569,270,232.91 and 130,507,902.55

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Solution

The fourth proportional to 379,505,088.01, 569,270,232.91 and 130,507,902.55 is: 195,766,187.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,505,088.01 : 569,270,232.91 = 130,507,902.55 : x
  2. Step 2: Convert to fraction form
    379,505,088.01/569,270,232.91 = 130,507,902.55/x
  3. Step 3: Cross multiply
    379,505,088.01x = 569,270,232.91 × 130,507,902.55
  4. Step 4: Simplify right side
    379,505,088.01x = 74,294,264,078,387,728
  5. Step 5: Solve for x
    x = 74,294,264,078,387,728/379,505,088.01
  6. Step 6: Final answer
    x = 195,766,187.14

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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.