Home / 402,272,171.80-603,408,257.70-347,746,325.20

Finding the Fourth Proportional to 402,272,171.80, 603,408,257.70 and 347,746,325.20

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Solution

The fourth proportional to 402,272,171.80, 603,408,257.70 and 347,746,325.20 is: 521,619,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,272,171.80 : 603,408,257.70 = 347,746,325.20 : x
  2. Step 2: Convert to fraction form
    402,272,171.80/603,408,257.70 = 347,746,325.20/x
  3. Step 3: Cross multiply
    402,272,171.80x = 603,408,257.70 × 347,746,325.20
  4. Step 4: Simplify right side
    402,272,171.80x = 209,833,004,210,509,600
  5. Step 5: Solve for x
    x = 209,833,004,210,509,600/402,272,171.80
  6. Step 6: Final answer
    x = 521,619,487.80

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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.