Home / 655,128,540.55-982,692,810.83-605,243,945.35

Finding the Fourth Proportional to 655,128,540.55, 982,692,810.83 and 605,243,945.35

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Solution

The fourth proportional to 655,128,540.55, 982,692,810.83 and 605,243,945.35 is: 907,865,918.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,128,540.55 : 982,692,810.83 = 605,243,945.35 : x
  2. Step 2: Convert to fraction form
    655,128,540.55/982,692,810.83 = 605,243,945.35/x
  3. Step 3: Cross multiply
    655,128,540.55x = 982,692,810.83 × 605,243,945.35
  4. Step 4: Simplify right side
    655,128,540.55x = 594,768,873,893,830,400
  5. Step 5: Solve for x
    x = 594,768,873,893,830,400/655,128,540.55
  6. Step 6: Final answer
    x = 907,865,918.03

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1.5x scale

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.