Home / 630,211,329.70-946,290,204.15-343,556,865.70

Finding the Fourth Proportional to 630,211,329.70, 946,290,204.15 and 343,556,865.70

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Solution

The fourth proportional to 630,211,329.70, 946,290,204.15 and 343,556,865.70 is: 515,865,839.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,211,329.70 : 946,290,204.15 = 343,556,865.70 : x
  2. Step 2: Convert to fraction form
    630,211,329.70/946,290,204.15 = 343,556,865.70/x
  3. Step 3: Cross multiply
    630,211,329.70x = 946,290,204.15 × 343,556,865.70
  4. Step 4: Simplify right side
    630,211,329.70x = 325,104,496,580,387,136
  5. Step 5: Solve for x
    x = 325,104,496,580,387,136/630,211,329.70
  6. Step 6: Final answer
    x = 515,865,839.38

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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.