Home / 398,608,933.80-597,913,400.70-183,618,085.80

Finding the Fourth Proportional to 398,608,933.80, 597,913,400.70 and 183,618,085.80

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Solution

The fourth proportional to 398,608,933.80, 597,913,400.70 and 183,618,085.80 is: 275,427,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,608,933.80 : 597,913,400.70 = 183,618,085.80 : x
  2. Step 2: Convert to fraction form
    398,608,933.80/597,913,400.70 = 183,618,085.80/x
  3. Step 3: Cross multiply
    398,608,933.80x = 597,913,400.70 × 183,618,085.80
  4. Step 4: Simplify right side
    398,608,933.80x = 109,787,714,110,702,400
  5. Step 5: Solve for x
    x = 109,787,714,110,702,400/398,608,933.80
  6. Step 6: Final answer
    x = 275,427,128.70

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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.