Home / 319,094,260.37-478,502,379.34-169,495,986.29

Finding the Fourth Proportional to 319,094,260.37, 478,502,379.34 and 169,495,986.29

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Solution

The fourth proportional to 319,094,260.37, 478,502,379.34 and 169,495,986.29 is: 254,170,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,094,260.37 : 478,502,379.34 = 169,495,986.29 : x
  2. Step 2: Convert to fraction form
    319,094,260.37/478,502,379.34 = 169,495,986.29/x
  3. Step 3: Cross multiply
    319,094,260.37x = 478,502,379.34 × 169,495,986.29
  4. Step 4: Simplify right side
    319,094,260.37x = 81,104,232,728,693,792
  5. Step 5: Solve for x
    x = 81,104,232,728,693,792/319,094,260.37
  6. Step 6: Final answer
    x = 254,170,139.68

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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.