Home / 625,563,062.40-938,792,491.20-262,318,108.80

Finding the Fourth Proportional to 625,563,062.40, 938,792,491.20 and 262,318,108.80

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Solution

The fourth proportional to 625,563,062.40, 938,792,491.20 and 262,318,108.80 is: 393,664,980.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,563,062.40 : 938,792,491.20 = 262,318,108.80 : x
  2. Step 2: Convert to fraction form
    625,563,062.40/938,792,491.20 = 262,318,108.80/x
  3. Step 3: Cross multiply
    625,563,062.40x = 938,792,491.20 × 262,318,108.80
  4. Step 4: Simplify right side
    625,563,062.40x = 246,262,270,847,224,672
  5. Step 5: Solve for x
    x = 246,262,270,847,224,672/625,563,062.40
  6. Step 6: Final answer
    x = 393,664,980.64

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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.