Home / 402,034,950.40-603,052,425.60-361,220,281.60

Finding the Fourth Proportional to 402,034,950.40, 603,052,425.60 and 361,220,281.60

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Solution

The fourth proportional to 402,034,950.40, 603,052,425.60 and 361,220,281.60 is: 541,830,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,034,950.40 : 603,052,425.60 = 361,220,281.60 : x
  2. Step 2: Convert to fraction form
    402,034,950.40/603,052,425.60 = 361,220,281.60/x
  3. Step 3: Cross multiply
    402,034,950.40x = 603,052,425.60 × 361,220,281.60
  4. Step 4: Simplify right side
    402,034,950.40x = 217,834,766,994,795,072
  5. Step 5: Solve for x
    x = 217,834,766,994,795,072/402,034,950.40
  6. Step 6: Final answer
    x = 541,830,422.40

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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.