Home / 655,089,784.80-982,634,677.20-310,716,016.80

Finding the Fourth Proportional to 655,089,784.80, 982,634,677.20 and 310,716,016.80

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Solution

The fourth proportional to 655,089,784.80, 982,634,677.20 and 310,716,016.80 is: 466,074,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,089,784.80 : 982,634,677.20 = 310,716,016.80 : x
  2. Step 2: Convert to fraction form
    655,089,784.80/982,634,677.20 = 310,716,016.80/x
  3. Step 3: Cross multiply
    655,089,784.80x = 982,634,677.20 × 310,716,016.80
  4. Step 4: Simplify right side
    655,089,784.80x = 305,320,332,869,137,792
  5. Step 5: Solve for x
    x = 305,320,332,869,137,792/655,089,784.80
  6. Step 6: Final answer
    x = 466,074,025.20

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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.