Home / 695,403,315.60-1,043,104,973.40-419,904,301.20

Finding the Fourth Proportional to 695,403,315.60, 1,043,104,973.40 and 419,904,301.20

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Solution

The fourth proportional to 695,403,315.60, 1,043,104,973.40 and 419,904,301.20 is: 629,856,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,403,315.60 : 1,043,104,973.40 = 419,904,301.20 : x
  2. Step 2: Convert to fraction form
    695,403,315.60/1,043,104,973.40 = 419,904,301.20/x
  3. Step 3: Cross multiply
    695,403,315.60x = 1,043,104,973.40 × 419,904,301.20
  4. Step 4: Simplify right side
    695,403,315.60x = 438,004,264,933,771,584
  5. Step 5: Solve for x
    x = 438,004,264,933,771,584/695,403,315.60
  6. Step 6: Final answer
    x = 629,856,451.80

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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.