Home / 497,664,389.40-746,496,584.10-255,351,787.80

Finding the Fourth Proportional to 497,664,389.40, 746,496,584.10 and 255,351,787.80

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Solution

The fourth proportional to 497,664,389.40, 746,496,584.10 and 255,351,787.80 is: 383,027,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,664,389.40 : 746,496,584.10 = 255,351,787.80 : x
  2. Step 2: Convert to fraction form
    497,664,389.40/746,496,584.10 = 255,351,787.80/x
  3. Step 3: Cross multiply
    497,664,389.40x = 746,496,584.10 × 255,351,787.80
  4. Step 4: Simplify right side
    497,664,389.40x = 190,619,237,336,528,064
  5. Step 5: Solve for x
    x = 190,619,237,336,528,064/497,664,389.40
  6. Step 6: Final answer
    x = 383,027,681.70

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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.