Home / 319,180,133.16-477,715,288.92-290,498,262.48

Finding the Fourth Proportional to 319,180,133.16, 477,715,288.92 and 290,498,262.48

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Solution

The fourth proportional to 319,180,133.16, 477,715,288.92 and 290,498,262.48 is: 434,787,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,180,133.16 : 477,715,288.92 = 290,498,262.48 : x
  2. Step 2: Convert to fraction form
    319,180,133.16/477,715,288.92 = 290,498,262.48/x
  3. Step 3: Cross multiply
    319,180,133.16x = 477,715,288.92 × 290,498,262.48
  4. Step 4: Simplify right side
    319,180,133.16x = 138,775,461,391,391,216
  5. Step 5: Solve for x
    x = 138,775,461,391,391,216/319,180,133.16
  6. Step 6: Final answer
    x = 434,787,278.32

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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.