Home / 373,289,110.80-558,953,890.20-263,521,539.60

Finding the Fourth Proportional to 373,289,110.80, 558,953,890.20 and 263,521,539.60

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Solution

The fourth proportional to 373,289,110.80, 558,953,890.20 and 263,521,539.60 is: 394,590,641.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,289,110.80 : 558,953,890.20 = 263,521,539.60 : x
  2. Step 2: Convert to fraction form
    373,289,110.80/558,953,890.20 = 263,521,539.60/x
  3. Step 3: Cross multiply
    373,289,110.80x = 558,953,890.20 × 263,521,539.60
  4. Step 4: Simplify right side
    373,289,110.80x = 147,296,389,710,913,376
  5. Step 5: Solve for x
    x = 147,296,389,710,913,376/373,289,110.80
  6. Step 6: Final answer
    x = 394,590,641.54

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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.