Home / 651,747,126.09-899,404,827.57-354,389,570.22

Finding the Fourth Proportional to 651,747,126.09, 899,404,827.57 and 354,389,570.22

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Solution

The fourth proportional to 651,747,126.09, 899,404,827.57 and 354,389,570.22 is: 489,054,232.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,747,126.09 : 899,404,827.57 = 354,389,570.22 : x
  2. Step 2: Convert to fraction form
    651,747,126.09/899,404,827.57 = 354,389,570.22/x
  3. Step 3: Cross multiply
    651,747,126.09x = 899,404,827.57 × 354,389,570.22
  4. Step 4: Simplify right side
    651,747,126.09x = 318,739,690,296,325,568
  5. Step 5: Solve for x
    x = 318,739,690,296,325,568/651,747,126.09
  6. Step 6: Final answer
    x = 489,054,232.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.