Home / 416,186,564.20-623,607,999.90-262,557,687.40

Finding the Fourth Proportional to 416,186,564.20, 623,607,999.90 and 262,557,687.40

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Solution

The fourth proportional to 416,186,564.20, 623,607,999.90 and 262,557,687.40 is: 393,412,686.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,186,564.20 : 623,607,999.90 = 262,557,687.40 : x
  2. Step 2: Convert to fraction form
    416,186,564.20/623,607,999.90 = 262,557,687.40/x
  3. Step 3: Cross multiply
    416,186,564.20x = 623,607,999.90 × 262,557,687.40
  4. Step 4: Simplify right side
    416,186,564.20x = 163,733,074,297,883,424
  5. Step 5: Solve for x
    x = 163,733,074,297,883,424/416,186,564.20
  6. Step 6: Final answer
    x = 393,412,686.48

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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.