Home / 398,595,999.40-597,893,999.10-364,158,622.60

Finding the Fourth Proportional to 398,595,999.40, 597,893,999.10 and 364,158,622.60

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Solution

The fourth proportional to 398,595,999.40, 597,893,999.10 and 364,158,622.60 is: 546,237,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,595,999.40 : 597,893,999.10 = 364,158,622.60 : x
  2. Step 2: Convert to fraction form
    398,595,999.40/597,893,999.10 = 364,158,622.60/x
  3. Step 3: Cross multiply
    398,595,999.40x = 597,893,999.10 × 364,158,622.60
  4. Step 4: Simplify right side
    398,595,999.40x = 217,728,255,173,061,664
  5. Step 5: Solve for x
    x = 217,728,255,173,061,664/398,595,999.40
  6. Step 6: Final answer
    x = 546,237,933.90

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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.