Home / 625,563,061.40-938,792,489.70-262,318,107.80

Finding the Fourth Proportional to 625,563,061.40, 938,792,489.70 and 262,318,107.80

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Solution

The fourth proportional to 625,563,061.40, 938,792,489.70 and 262,318,107.80 is: 393,664,979.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,563,061.40 : 938,792,489.70 = 262,318,107.80 : x
  2. Step 2: Convert to fraction form
    625,563,061.40/938,792,489.70 = 262,318,107.80/x
  3. Step 3: Cross multiply
    625,563,061.40x = 938,792,489.70 × 262,318,107.80
  4. Step 4: Simplify right side
    625,563,061.40x = 246,262,269,514,955,008
  5. Step 5: Solve for x
    x = 246,262,269,514,955,008/625,563,061.40
  6. Step 6: Final answer
    x = 393,664,979.14

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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.