Home / 343,360,813.80-515,041,220.70-329,968,500.60

Finding the Fourth Proportional to 343,360,813.80, 515,041,220.70 and 329,968,500.60

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Solution

The fourth proportional to 343,360,813.80, 515,041,220.70 and 329,968,500.60 is: 494,952,750.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,360,813.80 : 515,041,220.70 = 329,968,500.60 : x
  2. Step 2: Convert to fraction form
    343,360,813.80/515,041,220.70 = 329,968,500.60/x
  3. Step 3: Cross multiply
    343,360,813.80x = 515,041,220.70 × 329,968,500.60
  4. Step 4: Simplify right side
    343,360,813.80x = 169,947,379,341,572,704
  5. Step 5: Solve for x
    x = 169,947,379,341,572,704/343,360,813.80
  6. Step 6: Final answer
    x = 494,952,750.90

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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.