Home / 528,536,586.60-792,804,879.90-145,584,138.60

Finding the Fourth Proportional to 528,536,586.60, 792,804,879.90 and 145,584,138.60

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Solution

The fourth proportional to 528,536,586.60, 792,804,879.90 and 145,584,138.60 is: 218,376,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,536,586.60 : 792,804,879.90 = 145,584,138.60 : x
  2. Step 2: Convert to fraction form
    528,536,586.60/792,804,879.90 = 145,584,138.60/x
  3. Step 3: Cross multiply
    528,536,586.60x = 792,804,879.90 × 145,584,138.60
  4. Step 4: Simplify right side
    528,536,586.60x = 115,419,815,518,117,952
  5. Step 5: Solve for x
    x = 115,419,815,518,117,952/528,536,586.60
  6. Step 6: Final answer
    x = 218,376,207.90

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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.