Home / 823,531,518.50-1,235,294,583.36-298,899,921.16

Finding the Fourth Proportional to 823,531,518.50, 1,235,294,583.36 and 298,899,921.16

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Solution

The fourth proportional to 823,531,518.50, 1,235,294,583.36 and 298,899,921.16 is: 448,348,903.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,531,518.50 : 1,235,294,583.36 = 298,899,921.16 : x
  2. Step 2: Convert to fraction form
    823,531,518.50/1,235,294,583.36 = 298,899,921.16/x
  3. Step 3: Cross multiply
    823,531,518.50x = 1,235,294,583.36 × 298,899,921.16
  4. Step 4: Simplify right side
    823,531,518.50x = 369,229,453,575,679,040
  5. Step 5: Solve for x
    x = 369,229,453,575,679,040/823,531,518.50
  6. Step 6: Final answer
    x = 448,348,903.81

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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.