Home / 426,262,629.60-639,393,944.40-426,262,629.60

Finding the Fourth Proportional to 426,262,629.60, 639,393,944.40 and 426,262,629.60

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Solution

The fourth proportional to 426,262,629.60, 639,393,944.40 and 426,262,629.60 is: 639,393,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,262,629.60 : 639,393,944.40 = 426,262,629.60 : x
  2. Step 2: Convert to fraction form
    426,262,629.60/639,393,944.40 = 426,262,629.60/x
  3. Step 3: Cross multiply
    426,262,629.60x = 639,393,944.40 × 426,262,629.60
  4. Step 4: Simplify right side
    426,262,629.60x = 272,549,744,090,260,192
  5. Step 5: Solve for x
    x = 272,549,744,090,260,192/426,262,629.60
  6. Step 6: Final answer
    x = 639,393,944.40

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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.