Home / 342,427,145.41-513,634,706.70-237,285,529.57

Finding the Fourth Proportional to 342,427,145.41, 513,634,706.70 and 237,285,529.57

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Solution

The fourth proportional to 342,427,145.41, 513,634,706.70 and 237,285,529.57 is: 355,924,128.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,427,145.41 : 513,634,706.70 = 237,285,529.57 : x
  2. Step 2: Convert to fraction form
    342,427,145.41/513,634,706.70 = 237,285,529.57/x
  3. Step 3: Cross multiply
    342,427,145.41x = 513,634,706.70 × 237,285,529.57
  4. Step 4: Simplify right side
    342,427,145.41x = 121,878,083,384,841,120
  5. Step 5: Solve for x
    x = 121,878,083,384,841,120/342,427,145.41
  6. Step 6: Final answer
    x = 355,924,128.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.