Home / 505,428,640.02-758,189,227.23-141,920,546.58

Finding the Fourth Proportional to 505,428,640.02, 758,189,227.23 and 141,920,546.58

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Solution

The fourth proportional to 505,428,640.02, 758,189,227.23 and 141,920,546.58 is: 212,893,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,428,640.02 : 758,189,227.23 = 141,920,546.58 : x
  2. Step 2: Convert to fraction form
    505,428,640.02/758,189,227.23 = 141,920,546.58/x
  3. Step 3: Cross multiply
    505,428,640.02x = 758,189,227.23 × 141,920,546.58
  4. Step 4: Simplify right side
    505,428,640.02x = 107,602,629,539,549,440
  5. Step 5: Solve for x
    x = 107,602,629,539,549,440/505,428,640.02
  6. Step 6: Final answer
    x = 212,893,811.35

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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.