Home / 550,798,432.72-760,115,467.60-299,916,578.32

Finding the Fourth Proportional to 550,798,432.72, 760,115,467.60 and 299,916,578.32

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Solution

The fourth proportional to 550,798,432.72, 760,115,467.60 and 299,916,578.32 is: 413,892,300.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,798,432.72 : 760,115,467.60 = 299,916,578.32 : x
  2. Step 2: Convert to fraction form
    550,798,432.72/760,115,467.60 = 299,916,578.32/x
  3. Step 3: Cross multiply
    550,798,432.72x = 760,115,467.60 × 299,916,578.32
  4. Step 4: Simplify right side
    550,798,432.72x = 227,971,230,170,698,816
  5. Step 5: Solve for x
    x = 227,971,230,170,698,816/550,798,432.72
  6. Step 6: Final answer
    x = 413,892,300.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.