Home / 386,042,642.10-579,063,963.15-325,576,466.10

Finding the Fourth Proportional to 386,042,642.10, 579,063,963.15 and 325,576,466.10

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Solution

The fourth proportional to 386,042,642.10, 579,063,963.15 and 325,576,466.10 is: 488,364,699.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,042,642.10 : 579,063,963.15 = 325,576,466.10 : x
  2. Step 2: Convert to fraction form
    386,042,642.10/579,063,963.15 = 325,576,466.10/x
  3. Step 3: Cross multiply
    386,042,642.10x = 579,063,963.15 × 325,576,466.10
  4. Step 4: Simplify right side
    386,042,642.10x = 188,529,598,768,237,632
  5. Step 5: Solve for x
    x = 188,529,598,768,237,632/386,042,642.10
  6. Step 6: Final answer
    x = 488,364,699.15

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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.