Home / 505,306,653.88-758,032,283.76-155,582,312.20

Finding the Fourth Proportional to 505,306,653.88, 758,032,283.76 and 155,582,312.20

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Solution

The fourth proportional to 505,306,653.88, 758,032,283.76 and 155,582,312.20 is: 233,395,730.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,306,653.88 : 758,032,283.76 = 155,582,312.20 : x
  2. Step 2: Convert to fraction form
    505,306,653.88/758,032,283.76 = 155,582,312.20/x
  3. Step 3: Cross multiply
    505,306,653.88x = 758,032,283.76 × 155,582,312.20
  4. Step 4: Simplify right side
    505,306,653.88x = 117,936,415,429,627,296
  5. Step 5: Solve for x
    x = 117,936,415,429,627,296/505,306,653.88
  6. Step 6: Final answer
    x = 233,395,730.15

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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.