Home / 488,409,825.60-673,858,582.56-292,768,153.92

Finding the Fourth Proportional to 488,409,825.60, 673,858,582.56 and 292,768,153.92

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Solution

The fourth proportional to 488,409,825.60, 673,858,582.56 and 292,768,153.92 is: 403,931,949.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,409,825.60 : 673,858,582.56 = 292,768,153.92 : x
  2. Step 2: Convert to fraction form
    488,409,825.60/673,858,582.56 = 292,768,153.92/x
  3. Step 3: Cross multiply
    488,409,825.60x = 673,858,582.56 × 292,768,153.92
  4. Step 4: Simplify right side
    488,409,825.60x = 197,284,333,219,239,104
  5. Step 5: Solve for x
    x = 197,284,333,219,239,104/488,409,825.60
  6. Step 6: Final answer
    x = 403,931,949.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.