Home / 471,838,661.40-707,757,992.10-265,214,400.60

Finding the Fourth Proportional to 471,838,661.40, 707,757,992.10 and 265,214,400.60

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Solution

The fourth proportional to 471,838,661.40, 707,757,992.10 and 265,214,400.60 is: 397,821,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,838,661.40 : 707,757,992.10 = 265,214,400.60 : x
  2. Step 2: Convert to fraction form
    471,838,661.40/707,757,992.10 = 265,214,400.60/x
  3. Step 3: Cross multiply
    471,838,661.40x = 707,757,992.10 × 265,214,400.60
  4. Step 4: Simplify right side
    471,838,661.40x = 187,707,611,644,661,024
  5. Step 5: Solve for x
    x = 187,707,611,644,661,024/471,838,661.40
  6. Step 6: Final answer
    x = 397,821,600.90

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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.