Home / 413,376,638.40-620,064,957.60-183,794,126.40

Finding the Fourth Proportional to 413,376,638.40, 620,064,957.60 and 183,794,126.40

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Solution

The fourth proportional to 413,376,638.40, 620,064,957.60 and 183,794,126.40 is: 275,691,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,376,638.40 : 620,064,957.60 = 183,794,126.40 : x
  2. Step 2: Convert to fraction form
    413,376,638.40/620,064,957.60 = 183,794,126.40/x
  3. Step 3: Cross multiply
    413,376,638.40x = 620,064,957.60 × 183,794,126.40
  4. Step 4: Simplify right side
    413,376,638.40x = 113,964,297,193,345,056
  5. Step 5: Solve for x
    x = 113,964,297,193,345,056/413,376,638.40
  6. Step 6: Final answer
    x = 275,691,189.60

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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.