Home / 353,453,886.77-487,532,637.62-221,065,041.54

Finding the Fourth Proportional to 353,453,886.77, 487,532,637.62 and 221,065,041.54

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Solution

The fourth proportional to 353,453,886.77, 487,532,637.62 and 221,065,041.54 is: 304,923,575.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,453,886.77 : 487,532,637.62 = 221,065,041.54 : x
  2. Step 2: Convert to fraction form
    353,453,886.77/487,532,637.62 = 221,065,041.54/x
  3. Step 3: Cross multiply
    353,453,886.77x = 487,532,637.62 × 221,065,041.54
  4. Step 4: Simplify right side
    353,453,886.77x = 107,776,422,789,122,976
  5. Step 5: Solve for x
    x = 107,776,422,789,122,976/353,453,886.77
  6. Step 6: Final answer
    x = 304,923,575.11

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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.