Home / 528,192,081.60-792,288,122.40-255,590,404.80

Finding the Fourth Proportional to 528,192,081.60, 792,288,122.40 and 255,590,404.80

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Solution

The fourth proportional to 528,192,081.60, 792,288,122.40 and 255,590,404.80 is: 383,385,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,192,081.60 : 792,288,122.40 = 255,590,404.80 : x
  2. Step 2: Convert to fraction form
    528,192,081.60/792,288,122.40 = 255,590,404.80/x
  3. Step 3: Cross multiply
    528,192,081.60x = 792,288,122.40 × 255,590,404.80
  4. Step 4: Simplify right side
    528,192,081.60x = 202,501,241,922,447,936
  5. Step 5: Solve for x
    x = 202,501,241,922,447,936/528,192,081.60
  6. Step 6: Final answer
    x = 383,385,607.20

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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.