Home / 932,989,858.67-1,399,490,019.38-311,203,384.10

Finding the Fourth Proportional to 932,989,858.67, 1,399,490,019.38 and 311,203,384.10

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Solution

The fourth proportional to 932,989,858.67, 1,399,490,019.38 and 311,203,384.10 is: 466,806,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,989,858.67 : 1,399,490,019.38 = 311,203,384.10 : x
  2. Step 2: Convert to fraction form
    932,989,858.67/1,399,490,019.38 = 311,203,384.10/x
  3. Step 3: Cross multiply
    932,989,858.67x = 1,399,490,019.38 × 311,203,384.10
  4. Step 4: Simplify right side
    932,989,858.67x = 435,526,030,045,230,656
  5. Step 5: Solve for x
    x = 435,526,030,045,230,656/932,989,858.67
  6. Step 6: Final answer
    x = 466,806,821.10

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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.