Home / 655,128,521.80-982,692,782.70-605,243,926.60

Finding the Fourth Proportional to 655,128,521.80, 982,692,782.70 and 605,243,926.60

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Solution

The fourth proportional to 655,128,521.80, 982,692,782.70 and 605,243,926.60 is: 907,865,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,128,521.80 : 982,692,782.70 = 605,243,926.60 : x
  2. Step 2: Convert to fraction form
    655,128,521.80/982,692,782.70 = 605,243,926.60/x
  3. Step 3: Cross multiply
    655,128,521.80x = 982,692,782.70 × 605,243,926.60
  4. Step 4: Simplify right side
    655,128,521.80x = 594,768,838,442,828,544
  5. Step 5: Solve for x
    x = 594,768,838,442,828,544/655,128,521.80
  6. Step 6: Final answer
    x = 907,865,889.90

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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.