Home / 489,936,564.30-675,658,306-357,567,893.58

Finding the Fourth Proportional to 489,936,564.30, 675,658,306 and 357,567,893.58

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Solution

The fourth proportional to 489,936,564.30, 675,658,306 and 357,567,893.58 is: 493,112,241.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,936,564.30 : 675,658,306 = 357,567,893.58 : x
  2. Step 2: Convert to fraction form
    489,936,564.30/675,658,306 = 357,567,893.58/x
  3. Step 3: Cross multiply
    489,936,564.30x = 675,658,306 × 357,567,893.58
  4. Step 4: Simplify right side
    489,936,564.30x = 241,593,717,256,251,072
  5. Step 5: Solve for x
    x = 241,593,717,256,251,072/489,936,564.30
  6. Step 6: Final answer
    x = 493,112,241.18

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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.