Home / 730,770,777.64-1,008,462,582.71-396,242,692.48

Finding the Fourth Proportional to 730,770,777.64, 1,008,462,582.71 and 396,242,692.48

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Solution

The fourth proportional to 730,770,777.64, 1,008,462,582.71 and 396,242,692.48 is: 546,814,324.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,770,777.64 : 1,008,462,582.71 = 396,242,692.48 : x
  2. Step 2: Convert to fraction form
    730,770,777.64/1,008,462,582.71 = 396,242,692.48/x
  3. Step 3: Cross multiply
    730,770,777.64x = 1,008,462,582.71 × 396,242,692.48
  4. Step 4: Simplify right side
    730,770,777.64x = 399,595,929,038,345,152
  5. Step 5: Solve for x
    x = 399,595,929,038,345,152/730,770,777.64
  6. Step 6: Final answer
    x = 546,814,324.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.