Home / 613,699,527.60-920,542,992.72-354,749,979.60

Finding the Fourth Proportional to 613,699,527.60, 920,542,992.72 and 354,749,979.60

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Solution

The fourth proportional to 613,699,527.60, 920,542,992.72 and 354,749,979.60 is: 532,121,328.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,699,527.60 : 920,542,992.72 = 354,749,979.60 : x
  2. Step 2: Convert to fraction form
    613,699,527.60/920,542,992.72 = 354,749,979.60/x
  3. Step 3: Cross multiply
    613,699,527.60x = 920,542,992.72 × 354,749,979.60
  4. Step 4: Simplify right side
    613,699,527.60x = 326,562,607,888,342,976
  5. Step 5: Solve for x
    x = 326,562,607,888,342,976/613,699,527.60
  6. Step 6: Final answer
    x = 532,121,328.44

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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.