Home / 421,441,406.55-632,162,109.83-414,984,398.40

Finding the Fourth Proportional to 421,441,406.55, 632,162,109.83 and 414,984,398.40

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Solution

The fourth proportional to 421,441,406.55, 632,162,109.83 and 414,984,398.40 is: 622,476,597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,441,406.55 : 632,162,109.83 = 414,984,398.40 : x
  2. Step 2: Convert to fraction form
    421,441,406.55/632,162,109.83 = 414,984,398.40/x
  3. Step 3: Cross multiply
    421,441,406.55x = 632,162,109.83 × 414,984,398.40
  4. Step 4: Simplify right side
    421,441,406.55x = 262,337,412,837,002,368
  5. Step 5: Solve for x
    x = 262,337,412,837,002,368/421,441,406.55
  6. Step 6: Final answer
    x = 622,476,597.60

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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.