Home / 624,514,642.79-861,830,212.77-346,056,166.22

Finding the Fourth Proportional to 624,514,642.79, 861,830,212.77 and 346,056,166.22

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Solution

The fourth proportional to 624,514,642.79, 861,830,212.77 and 346,056,166.22 is: 477,557,512.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,514,642.79 : 861,830,212.77 = 346,056,166.22 : x
  2. Step 2: Convert to fraction form
    624,514,642.79/861,830,212.77 = 346,056,166.22/x
  3. Step 3: Cross multiply
    624,514,642.79x = 861,830,212.77 × 346,056,166.22
  4. Step 4: Simplify right side
    624,514,642.79x = 298,241,659,359,443,904
  5. Step 5: Solve for x
    x = 298,241,659,359,443,904/624,514,642.79
  6. Step 6: Final answer
    x = 477,557,512.55

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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.