Home / 805,404,365,239.90-1,112,911,900,118.10-573,515,299,396.45

Finding the Fourth Proportional to 805,404,365,239.90, 1,112,911,900,118.10 and 573,515,299,396.45

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Solution

The fourth proportional to 805,404,365,239.90, 1,112,911,900,118.10 and 573,515,299,396.45 is: 792,486,394,592.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,404,365,239.90 : 1,112,911,900,118.10 = 573,515,299,396.45 : x
  2. Step 2: Convert to fraction form
    805,404,365,239.90/1,112,911,900,118.10 = 573,515,299,396.45/x
  3. Step 3: Cross multiply
    805,404,365,239.90x = 1,112,911,900,118.10 × 573,515,299,396.45
  4. Step 4: Simplify right side
    805,404,365,239.90x = 638,272,001,598,104,230,952,960
  5. Step 5: Solve for x
    x = 638,272,001,598,104,230,952,960/805,404,365,239.90
  6. Step 6: Final answer
    x = 792,486,394,592.59

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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.