Home / 515,556,045.04-711,413,724.84-292,466,648.56

Finding the Fourth Proportional to 515,556,045.04, 711,413,724.84 and 292,466,648.56

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Solution

The fourth proportional to 515,556,045.04, 711,413,724.84 and 292,466,648.56 is: 403,573,558.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,556,045.04 : 711,413,724.84 = 292,466,648.56 : x
  2. Step 2: Convert to fraction form
    515,556,045.04/711,413,724.84 = 292,466,648.56/x
  3. Step 3: Cross multiply
    515,556,045.04x = 711,413,724.84 × 292,466,648.56
  4. Step 4: Simplify right side
    515,556,045.04x = 208,064,787,843,540,832
  5. Step 5: Solve for x
    x = 208,064,787,843,540,832/515,556,045.04
  6. Step 6: Final answer
    x = 403,573,558.77

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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.