Home / 657,289,728,007.20-985,934,592,010.80-612,883,368,352.80

Finding the Fourth Proportional to 657,289,728,007.20, 985,934,592,010.80 and 612,883,368,352.80

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Solution

The fourth proportional to 657,289,728,007.20, 985,934,592,010.80 and 612,883,368,352.80 is: 919,325,052,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,289,728,007.20 : 985,934,592,010.80 = 612,883,368,352.80 : x
  2. Step 2: Convert to fraction form
    657,289,728,007.20/985,934,592,010.80 = 612,883,368,352.80/x
  3. Step 3: Cross multiply
    657,289,728,007.20x = 985,934,592,010.80 × 612,883,368,352.80
  4. Step 4: Simplify right side
    657,289,728,007.20x = 604,262,913,727,122,766,823,424
  5. Step 5: Solve for x
    x = 604,262,913,727,122,766,823,424/657,289,728,007.20
  6. Step 6: Final answer
    x = 919,325,052,529.20

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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.