Home / 702,666,474.93-969,690,340.10-385,124,180.22

Finding the Fourth Proportional to 702,666,474.93, 969,690,340.10 and 385,124,180.22

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Solution

The fourth proportional to 702,666,474.93, 969,690,340.10 and 385,124,180.22 is: 531,477,181.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,666,474.93 : 969,690,340.10 = 385,124,180.22 : x
  2. Step 2: Convert to fraction form
    702,666,474.93/969,690,340.10 = 385,124,180.22/x
  3. Step 3: Cross multiply
    702,666,474.93x = 969,690,340.10 × 385,124,180.22
  4. Step 4: Simplify right side
    702,666,474.93x = 373,451,197,296,339,904
  5. Step 5: Solve for x
    x = 373,451,197,296,339,904/702,666,474.93
  6. Step 6: Final answer
    x = 531,477,181.02

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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.