Home / 403,163,896.80-604,857,819.60-173,243,128.80

Finding the Fourth Proportional to 403,163,896.80, 604,857,819.60 and 173,243,128.80

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Solution

The fourth proportional to 403,163,896.80, 604,857,819.60 and 173,243,128.80 is: 259,912,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,163,896.80 : 604,857,819.60 = 173,243,128.80 : x
  2. Step 2: Convert to fraction form
    403,163,896.80/604,857,819.60 = 173,243,128.80/x
  3. Step 3: Cross multiply
    403,163,896.80x = 604,857,819.60 × 173,243,128.80
  4. Step 4: Simplify right side
    403,163,896.80x = 104,787,461,146,649,968
  5. Step 5: Solve for x
    x = 104,787,461,146,649,968/403,163,896.80
  6. Step 6: Final answer
    x = 259,912,809.60

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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.