Home / 631,625,852.55-871,585,181.19-349,362,218.55

Finding the Fourth Proportional to 631,625,852.55, 871,585,181.19 and 349,362,218.55

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Solution

The fourth proportional to 631,625,852.55, 871,585,181.19 and 349,362,218.55 is: 482,087,506.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,625,852.55 : 871,585,181.19 = 349,362,218.55 : x
  2. Step 2: Convert to fraction form
    631,625,852.55/871,585,181.19 = 349,362,218.55/x
  3. Step 3: Cross multiply
    631,625,852.55x = 871,585,181.19 × 349,362,218.55
  4. Step 4: Simplify right side
    631,625,852.55x = 304,498,932,555,842,176
  5. Step 5: Solve for x
    x = 304,498,932,555,842,176/631,625,852.55
  6. Step 6: Final answer
    x = 482,087,506.91

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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.