Home / 319,094,260.12-478,502,378.96-169,495,986.04

Finding the Fourth Proportional to 319,094,260.12, 478,502,378.96 and 169,495,986.04

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Solution

The fourth proportional to 319,094,260.12, 478,502,378.96 and 169,495,986.04 is: 254,170,139.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,094,260.12 : 478,502,378.96 = 169,495,986.04 : x
  2. Step 2: Convert to fraction form
    319,094,260.12/478,502,378.96 = 169,495,986.04/x
  3. Step 3: Cross multiply
    319,094,260.12x = 478,502,378.96 × 169,495,986.04
  4. Step 4: Simplify right side
    319,094,260.12x = 81,104,232,545,913,760
  5. Step 5: Solve for x
    x = 81,104,232,545,913,760/319,094,260.12
  6. Step 6: Final answer
    x = 254,170,139.31

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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.