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Finding the Fourth Proportional to 605,003,043.20, 907,504,564.80 and 599,263,480.40

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Solution

The fourth proportional to 605,003,043.20, 907,504,564.80 and 599,263,480.40 is: 898,895,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,003,043.20 : 907,504,564.80 = 599,263,480.40 : x
  2. Step 2: Convert to fraction form
    605,003,043.20/907,504,564.80 = 599,263,480.40/x
  3. Step 3: Cross multiply
    605,003,043.20x = 907,504,564.80 × 599,263,480.40
  4. Step 4: Simplify right side
    605,003,043.20x = 543,834,343,980,935,296
  5. Step 5: Solve for x
    x = 543,834,343,980,935,296/605,003,043.20
  6. Step 6: Final answer
    x = 898,895,220.60

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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.