Home / 932,989,048.72-1,399,488,804.80-311,202,573.68

Finding the Fourth Proportional to 932,989,048.72, 1,399,488,804.80 and 311,202,573.68

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Solution

The fourth proportional to 932,989,048.72, 1,399,488,804.80 and 311,202,573.68 is: 466,805,605.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,989,048.72 : 1,399,488,804.80 = 311,202,573.68 : x
  2. Step 2: Convert to fraction form
    932,989,048.72/1,399,488,804.80 = 311,202,573.68/x
  3. Step 3: Cross multiply
    932,989,048.72x = 1,399,488,804.80 × 311,202,573.68
  4. Step 4: Simplify right side
    932,989,048.72x = 435,524,517,890,107,136
  5. Step 5: Solve for x
    x = 435,524,517,890,107,136/932,989,048.72
  6. Step 6: Final answer
    x = 466,805,605.58

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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.