Home / 932,989,858.80-1,399,490,019.56-311,203,384.22

Finding the Fourth Proportional to 932,989,858.80, 1,399,490,019.56 and 311,203,384.22

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Solution

The fourth proportional to 932,989,858.80, 1,399,490,019.56 and 311,203,384.22 is: 466,806,821.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,989,858.80 : 1,399,490,019.56 = 311,203,384.22 : x
  2. Step 2: Convert to fraction form
    932,989,858.80/1,399,490,019.56 = 311,203,384.22/x
  3. Step 3: Cross multiply
    932,989,858.80x = 1,399,490,019.56 × 311,203,384.22
  4. Step 4: Simplify right side
    932,989,858.80x = 435,526,030,273,462,784
  5. Step 5: Solve for x
    x = 435,526,030,273,462,784/932,989,858.80
  6. Step 6: Final answer
    x = 466,806,821.28

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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.