Home / 626,622,313.80-939,964,691.50-238,475,226.86

Finding the Fourth Proportional to 626,622,313.80, 939,964,691.50 and 238,475,226.86

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Solution

The fourth proportional to 626,622,313.80, 939,964,691.50 and 238,475,226.86 is: 357,724,722.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,622,313.80 : 939,964,691.50 = 238,475,226.86 : x
  2. Step 2: Convert to fraction form
    626,622,313.80/939,964,691.50 = 238,475,226.86/x
  3. Step 3: Cross multiply
    626,622,313.80x = 939,964,691.50 × 238,475,226.86
  4. Step 4: Simplify right side
    626,622,313.80x = 224,158,293,043,424,256
  5. Step 5: Solve for x
    x = 224,158,293,043,424,256/626,622,313.80
  6. Step 6: Final answer
    x = 357,724,722.06

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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.