Home / 434,499,562.80-651,749,344.20-378,379,393.20

Finding the Fourth Proportional to 434,499,562.80, 651,749,344.20 and 378,379,393.20

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Solution

The fourth proportional to 434,499,562.80, 651,749,344.20 and 378,379,393.20 is: 567,569,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,499,562.80 : 651,749,344.20 = 378,379,393.20 : x
  2. Step 2: Convert to fraction form
    434,499,562.80/651,749,344.20 = 378,379,393.20/x
  3. Step 3: Cross multiply
    434,499,562.80x = 651,749,344.20 × 378,379,393.20
  4. Step 4: Simplify right side
    434,499,562.80x = 246,608,521,376,893,952
  5. Step 5: Solve for x
    x = 246,608,521,376,893,952/434,499,562.80
  6. Step 6: Final answer
    x = 567,569,089.80

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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.