Home / 427,159,523,415.34-589,212,009,072.99-253,421,659,316.89

Finding the Fourth Proportional to 427,159,523,415.34, 589,212,009,072.99 and 253,421,659,316.89

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Solution

The fourth proportional to 427,159,523,415.34, 589,212,009,072.99 and 253,421,659,316.89 is: 349,562,813,992.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,159,523,415.34 : 589,212,009,072.99 = 253,421,659,316.89 : x
  2. Step 2: Convert to fraction form
    427,159,523,415.34/589,212,009,072.99 = 253,421,659,316.89/x
  3. Step 3: Cross multiply
    427,159,523,415.34x = 589,212,009,072.99 × 253,421,659,316.89
  4. Step 4: Simplify right side
    427,159,523,415.34x = 149,319,085,028,715,570,135,040
  5. Step 5: Solve for x
    x = 149,319,085,028,715,570,135,040/427,159,523,415.34
  6. Step 6: Final answer
    x = 349,562,813,992.39

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1.5x scale

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.