Home / 559,959,294,971.49-772,735,603,242.96-312,765,181,072.77

Finding the Fourth Proportional to 559,959,294,971.49, 772,735,603,242.96 and 312,765,181,072.77

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Solution

The fourth proportional to 559,959,294,971.49, 772,735,603,242.96 and 312,765,181,072.77 is: 431,611,356,468.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,959,294,971.49 : 772,735,603,242.96 = 312,765,181,072.77 : x
  2. Step 2: Convert to fraction form
    559,959,294,971.49/772,735,603,242.96 = 312,765,181,072.77/x
  3. Step 3: Cross multiply
    559,959,294,971.49x = 772,735,603,242.96 × 312,765,181,072.77
  4. Step 4: Simplify right side
    559,959,294,971.49x = 241,684,790,869,660,541,124,608
  5. Step 5: Solve for x
    x = 241,684,790,869,660,541,124,608/559,959,294,971.49
  6. Step 6: Final answer
    x = 431,611,356,468.27

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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.