Home / 297,225,148.60-445,837,722.90-278,093,272.60

Finding the Fourth Proportional to 297,225,148.60, 445,837,722.90 and 278,093,272.60

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Solution

The fourth proportional to 297,225,148.60, 445,837,722.90 and 278,093,272.60 is: 417,139,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,225,148.60 : 445,837,722.90 = 278,093,272.60 : x
  2. Step 2: Convert to fraction form
    297,225,148.60/445,837,722.90 = 278,093,272.60/x
  3. Step 3: Cross multiply
    297,225,148.60x = 445,837,722.90 × 278,093,272.60
  4. Step 4: Simplify right side
    297,225,148.60x = 123,984,471,409,792,960
  5. Step 5: Solve for x
    x = 123,984,471,409,792,960/297,225,148.60
  6. Step 6: Final answer
    x = 417,139,908.90

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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.