Home / 402,975,454.20-603,455,411.70-322,353,886.20

Finding the Fourth Proportional to 402,975,454.20, 603,455,411.70 and 322,353,886.20

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Solution

The fourth proportional to 402,975,454.20, 603,455,411.70 and 322,353,886.20 is: 482,724,679.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,975,454.20 : 603,455,411.70 = 322,353,886.20 : x
  2. Step 2: Convert to fraction form
    402,975,454.20/603,455,411.70 = 322,353,886.20/x
  3. Step 3: Cross multiply
    402,975,454.20x = 603,455,411.70 × 322,353,886.20
  4. Step 4: Simplify right side
    402,975,454.20x = 194,526,197,109,915,968
  5. Step 5: Solve for x
    x = 194,526,197,109,915,968/402,975,454.20
  6. Step 6: Final answer
    x = 482,724,679.83

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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.