Home / 419,905,048.65-629,857,572.98-238,506,520.65

Finding the Fourth Proportional to 419,905,048.65, 629,857,572.98 and 238,506,520.65

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Solution

The fourth proportional to 419,905,048.65, 629,857,572.98 and 238,506,520.65 is: 357,759,780.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,905,048.65 : 629,857,572.98 = 238,506,520.65 : x
  2. Step 2: Convert to fraction form
    419,905,048.65/629,857,572.98 = 238,506,520.65/x
  3. Step 3: Cross multiply
    419,905,048.65x = 629,857,572.98 × 238,506,520.65
  4. Step 4: Simplify right side
    419,905,048.65x = 150,225,138,235,320,736
  5. Step 5: Solve for x
    x = 150,225,138,235,320,736/419,905,048.65
  6. Step 6: Final answer
    x = 357,759,780.98

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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.