Home / 319,080,604.19-440,365,086.88-187,032,545.51

Finding the Fourth Proportional to 319,080,604.19, 440,365,086.88 and 187,032,545.51

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Solution

The fourth proportional to 319,080,604.19, 440,365,086.88 and 187,032,545.51 is: 258,124,756.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,080,604.19 : 440,365,086.88 = 187,032,545.51 : x
  2. Step 2: Convert to fraction form
    319,080,604.19/440,365,086.88 = 187,032,545.51/x
  3. Step 3: Cross multiply
    319,080,604.19x = 440,365,086.88 × 187,032,545.51
  4. Step 4: Simplify right side
    319,080,604.19x = 82,362,603,150,229,296
  5. Step 5: Solve for x
    x = 82,362,603,150,229,296/319,080,604.19
  6. Step 6: Final answer
    x = 258,124,756.16

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1.5x scale

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.