Home / 647,430,197.76-970,998,829.74-297,339,699.24

Finding the Fourth Proportional to 647,430,197.76, 970,998,829.74 and 297,339,699.24

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Solution

The fourth proportional to 647,430,197.76, 970,998,829.74 and 297,339,699.24 is: 445,942,282.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,430,197.76 : 970,998,829.74 = 297,339,699.24 : x
  2. Step 2: Convert to fraction form
    647,430,197.76/970,998,829.74 = 297,339,699.24/x
  3. Step 3: Cross multiply
    647,430,197.76x = 970,998,829.74 × 297,339,699.24
  4. Step 4: Simplify right side
    647,430,197.76x = 288,716,499,997,283,584
  5. Step 5: Solve for x
    x = 288,716,499,997,283,584/647,430,197.76
  6. Step 6: Final answer
    x = 445,942,282.27

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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.