Home / 523,498,704.40-785,248,056.60-442,877,136.40

Finding the Fourth Proportional to 523,498,704.40, 785,248,056.60 and 442,877,136.40

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Solution

The fourth proportional to 523,498,704.40, 785,248,056.60 and 442,877,136.40 is: 664,315,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,498,704.40 : 785,248,056.60 = 442,877,136.40 : x
  2. Step 2: Convert to fraction form
    523,498,704.40/785,248,056.60 = 442,877,136.40/x
  3. Step 3: Cross multiply
    523,498,704.40x = 785,248,056.60 × 442,877,136.40
  4. Step 4: Simplify right side
    523,498,704.40x = 347,768,410,670,673,088
  5. Step 5: Solve for x
    x = 347,768,410,670,673,088/523,498,704.40
  6. Step 6: Final answer
    x = 664,315,704.60

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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.