Home / 355,242,734.94-531,825,024.21-207,237,745.05

Finding the Fourth Proportional to 355,242,734.94, 531,825,024.21 and 207,237,745.05

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Solution

The fourth proportional to 355,242,734.94, 531,825,024.21 and 207,237,745.05 is: 310,250,451.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,242,734.94 : 531,825,024.21 = 207,237,745.05 : x
  2. Step 2: Convert to fraction form
    355,242,734.94/531,825,024.21 = 207,237,745.05/x
  3. Step 3: Cross multiply
    355,242,734.94x = 531,825,024.21 × 207,237,745.05
  4. Step 4: Simplify right side
    355,242,734.94x = 110,214,218,778,442,064
  5. Step 5: Solve for x
    x = 110,214,218,778,442,064/355,242,734.94
  6. Step 6: Final answer
    x = 310,250,451.14

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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.