Home / 366,654,596.91-507,315,737.82-319,709,562.45

Finding the Fourth Proportional to 366,654,596.91, 507,315,737.82 and 319,709,562.45

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Solution

The fourth proportional to 366,654,596.91, 507,315,737.82 and 319,709,562.45 is: 442,360,995.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,654,596.91 : 507,315,737.82 = 319,709,562.45 : x
  2. Step 2: Convert to fraction form
    366,654,596.91/507,315,737.82 = 319,709,562.45/x
  3. Step 3: Cross multiply
    366,654,596.91x = 507,315,737.82 × 319,709,562.45
  4. Step 4: Simplify right side
    366,654,596.91x = 162,193,692,562,431,104
  5. Step 5: Solve for x
    x = 162,193,692,562,431,104/366,654,596.91
  6. Step 6: Final answer
    x = 442,360,995.69

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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.