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Finding the Fourth Proportional to 605,422,931.80, 848,166,060.80 and 605,422,931.80

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Solution

The fourth proportional to 605,422,931.80, 848,166,060.80 and 605,422,931.80 is: 848,166,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,422,931.80 : 848,166,060.80 = 605,422,931.80 : x
  2. Step 2: Convert to fraction form
    605,422,931.80/848,166,060.80 = 605,422,931.80/x
  3. Step 3: Cross multiply
    605,422,931.80x = 848,166,060.80 × 605,422,931.80
  4. Step 4: Simplify right side
    605,422,931.80x = 513,499,183,182,792,960
  5. Step 5: Solve for x
    x = 513,499,183,182,792,960/605,422,931.80
  6. Step 6: Final answer
    x = 848,166,060.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.