Home / 505,306,469.54-758,032,007.51-155,582,128.08

Finding the Fourth Proportional to 505,306,469.54, 758,032,007.51 and 155,582,128.08

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Solution

The fourth proportional to 505,306,469.54, 758,032,007.51 and 155,582,128.08 is: 233,395,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,306,469.54 : 758,032,007.51 = 155,582,128.08 : x
  2. Step 2: Convert to fraction form
    505,306,469.54/758,032,007.51 = 155,582,128.08/x
  3. Step 3: Cross multiply
    505,306,469.54x = 758,032,007.51 × 155,582,128.08
  4. Step 4: Simplify right side
    505,306,469.54x = 117,936,232,881,549,312
  5. Step 5: Solve for x
    x = 117,936,232,881,549,312/505,306,469.54
  6. Step 6: Final answer
    x = 233,395,454.03

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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.