Home / 319,713,329.52-478,707,733.56-208,774,183.92

Finding the Fourth Proportional to 319,713,329.52, 478,707,733.56 and 208,774,183.92

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Solution

The fourth proportional to 319,713,329.52, 478,707,733.56 and 208,774,183.92 is: 312,598,215.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,713,329.52 : 478,707,733.56 = 208,774,183.92 : x
  2. Step 2: Convert to fraction form
    319,713,329.52/478,707,733.56 = 208,774,183.92/x
  3. Step 3: Cross multiply
    319,713,329.52x = 478,707,733.56 × 208,774,183.92
  4. Step 4: Simplify right side
    319,713,329.52x = 99,941,816,410,181,792
  5. Step 5: Solve for x
    x = 99,941,816,410,181,792/319,713,329.52
  6. Step 6: Final answer
    x = 312,598,215.91

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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.