Home / 776,747,009.80-1,164,672,617.10-292,121,806.60

Finding the Fourth Proportional to 776,747,009.80, 1,164,672,617.10 and 292,121,806.60

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Solution

The fourth proportional to 776,747,009.80, 1,164,672,617.10 and 292,121,806.60 is: 438,014,262.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,747,009.80 : 1,164,672,617.10 = 292,121,806.60 : x
  2. Step 2: Convert to fraction form
    776,747,009.80/1,164,672,617.10 = 292,121,806.60/x
  3. Step 3: Cross multiply
    776,747,009.80x = 1,164,672,617.10 × 292,121,806.60
  4. Step 4: Simplify right side
    776,747,009.80x = 340,226,269,004,802,048
  5. Step 5: Solve for x
    x = 340,226,269,004,802,048/776,747,009.80
  6. Step 6: Final answer
    x = 438,014,262.96

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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.