Home / 488,764,865.72-733,350,329.94-197,837,645.24

Finding the Fourth Proportional to 488,764,865.72, 733,350,329.94 and 197,837,645.24

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Solution

The fourth proportional to 488,764,865.72, 733,350,329.94 and 197,837,645.24 is: 296,838,648.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,764,865.72 : 733,350,329.94 = 197,837,645.24 : x
  2. Step 2: Convert to fraction form
    488,764,865.72/733,350,329.94 = 197,837,645.24/x
  3. Step 3: Cross multiply
    488,764,865.72x = 733,350,329.94 × 197,837,645.24
  4. Step 4: Simplify right side
    488,764,865.72x = 145,084,302,411,306,688
  5. Step 5: Solve for x
    x = 145,084,302,411,306,688/488,764,865.72
  6. Step 6: Final answer
    x = 296,838,648.98

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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.