Home / 513,603,611.40-708,776,989.02-301,853,576.64

Finding the Fourth Proportional to 513,603,611.40, 708,776,989.02 and 301,853,576.64

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Solution

The fourth proportional to 513,603,611.40, 708,776,989.02 and 301,853,576.64 is: 416,560,289.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,603,611.40 : 708,776,989.02 = 301,853,576.64 : x
  2. Step 2: Convert to fraction form
    513,603,611.40/708,776,989.02 = 301,853,576.64/x
  3. Step 3: Cross multiply
    513,603,611.40x = 708,776,989.02 × 301,853,576.64
  4. Step 4: Simplify right side
    513,603,611.40x = 213,946,869,175,816,992
  5. Step 5: Solve for x
    x = 213,946,869,175,816,992/513,603,611.40
  6. Step 6: Final answer
    x = 416,560,289.74

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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.