Home / 402,975,559.20-603,455,569.20-322,353,991.20

Finding the Fourth Proportional to 402,975,559.20, 603,455,569.20 and 322,353,991.20

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Solution

The fourth proportional to 402,975,559.20, 603,455,569.20 and 322,353,991.20 is: 482,724,837.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,975,559.20 : 603,455,569.20 = 322,353,991.20 : x
  2. Step 2: Convert to fraction form
    402,975,559.20/603,455,569.20 = 322,353,991.20/x
  3. Step 3: Cross multiply
    402,975,559.20x = 603,455,569.20 × 322,353,991.20
  4. Step 4: Simplify right side
    402,975,559.20x = 194,526,311,243,487,808
  5. Step 5: Solve for x
    x = 194,526,311,243,487,808/402,975,559.20
  6. Step 6: Final answer
    x = 482,724,837.28

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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.