Home / 378,071,377.30-565,973,325.15-224,638,455.70

Finding the Fourth Proportional to 378,071,377.30, 565,973,325.15 and 224,638,455.70

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Solution

The fourth proportional to 378,071,377.30, 565,973,325.15 and 224,638,455.70 is: 336,284,049.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,071,377.30 : 565,973,325.15 = 224,638,455.70 : x
  2. Step 2: Convert to fraction form
    378,071,377.30/565,973,325.15 = 224,638,455.70/x
  3. Step 3: Cross multiply
    378,071,377.30x = 565,973,325.15 × 224,638,455.70
  4. Step 4: Simplify right side
    378,071,377.30x = 127,139,373,729,089,952
  5. Step 5: Solve for x
    x = 127,139,373,729,089,952/378,071,377.30
  6. Step 6: Final answer
    x = 336,284,049.42

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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.