Home / 319,080,604.58-440,365,087.40-187,032,545.87

Finding the Fourth Proportional to 319,080,604.58, 440,365,087.40 and 187,032,545.87

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Solution

The fourth proportional to 319,080,604.58, 440,365,087.40 and 187,032,545.87 is: 258,124,756.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,080,604.58 : 440,365,087.40 = 187,032,545.87 : x
  2. Step 2: Convert to fraction form
    319,080,604.58/440,365,087.40 = 187,032,545.87/x
  3. Step 3: Cross multiply
    319,080,604.58x = 440,365,087.40 × 187,032,545.87
  4. Step 4: Simplify right side
    319,080,604.58x = 82,362,603,405,550,064
  5. Step 5: Solve for x
    x = 82,362,603,405,550,064/319,080,604.58
  6. Step 6: Final answer
    x = 258,124,756.64

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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.