Home / 458,071,244.40-687,106,866.60-274,405,234.80

Finding the Fourth Proportional to 458,071,244.40, 687,106,866.60 and 274,405,234.80

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Solution

The fourth proportional to 458,071,244.40, 687,106,866.60 and 274,405,234.80 is: 411,607,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,071,244.40 : 687,106,866.60 = 274,405,234.80 : x
  2. Step 2: Convert to fraction form
    458,071,244.40/687,106,866.60 = 274,405,234.80/x
  3. Step 3: Cross multiply
    458,071,244.40x = 687,106,866.60 × 274,405,234.80
  4. Step 4: Simplify right side
    458,071,244.40x = 188,545,721,062,065,280
  5. Step 5: Solve for x
    x = 188,545,721,062,065,280/458,071,244.40
  6. Step 6: Final answer
    x = 411,607,852.20

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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.