Home / 989,298,646,298.25-1,483,098,074,263.60-343,820,412,082.05

Finding the Fourth Proportional to 989,298,646,298.25, 1,483,098,074,263.60 and 343,820,412,082.05

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Solution

The fourth proportional to 989,298,646,298.25, 1,483,098,074,263.60 and 343,820,412,082.05 is: 515,435,245,928.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,298,646,298.25 : 1,483,098,074,263.60 = 343,820,412,082.05 : x
  2. Step 2: Convert to fraction form
    989,298,646,298.25/1,483,098,074,263.60 = 343,820,412,082.05/x
  3. Step 3: Cross multiply
    989,298,646,298.25x = 1,483,098,074,263.60 × 343,820,412,082.05
  4. Step 4: Simplify right side
    989,298,646,298.25x = 509,919,391,051,405,737,328,640
  5. Step 5: Solve for x
    x = 509,919,391,051,405,737,328,640/989,298,646,298.25
  6. Step 6: Final answer
    x = 515,435,245,928.43

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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.