Home / 297,225,012.60-445,837,518.90-278,093,136.60

Finding the Fourth Proportional to 297,225,012.60, 445,837,518.90 and 278,093,136.60

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Solution

The fourth proportional to 297,225,012.60, 445,837,518.90 and 278,093,136.60 is: 417,139,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,225,012.60 : 445,837,518.90 = 278,093,136.60 : x
  2. Step 2: Convert to fraction form
    297,225,012.60/445,837,518.90 = 278,093,136.60/x
  3. Step 3: Cross multiply
    297,225,012.60x = 445,837,518.90 × 278,093,136.60
  4. Step 4: Simplify right side
    297,225,012.60x = 123,984,354,044,862,784
  5. Step 5: Solve for x
    x = 123,984,354,044,862,784/297,225,012.60
  6. Step 6: Final answer
    x = 417,139,704.90

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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.