Home / 638,230,521.60-957,345,782.40-529,391,404.80

Finding the Fourth Proportional to 638,230,521.60, 957,345,782.40 and 529,391,404.80

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Solution

The fourth proportional to 638,230,521.60, 957,345,782.40 and 529,391,404.80 is: 794,087,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,230,521.60 : 957,345,782.40 = 529,391,404.80 : x
  2. Step 2: Convert to fraction form
    638,230,521.60/957,345,782.40 = 529,391,404.80/x
  3. Step 3: Cross multiply
    638,230,521.60x = 957,345,782.40 × 529,391,404.80
  4. Step 4: Simplify right side
    638,230,521.60x = 506,810,628,624,091,136
  5. Step 5: Solve for x
    x = 506,810,628,624,091,136/638,230,521.60
  6. Step 6: Final answer
    x = 794,087,107.20

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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.