Home / 401,449,724,734.96-601,997,880,340.67-212,751,410,023.34

Finding the Fourth Proportional to 401,449,724,734.96, 601,997,880,340.67 and 212,751,410,023.34

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Solution

The fourth proportional to 401,449,724,734.96, 601,997,880,340.67 and 212,751,410,023.34 is: 319,033,467,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,449,724,734.96 : 601,997,880,340.67 = 212,751,410,023.34 : x
  2. Step 2: Convert to fraction form
    401,449,724,734.96/601,997,880,340.67 = 212,751,410,023.34/x
  3. Step 3: Cross multiply
    401,449,724,734.96x = 601,997,880,340.67 × 212,751,410,023.34
  4. Step 4: Simplify right side
    401,449,724,734.96x = 128,075,897,873,539,459,448,832
  5. Step 5: Solve for x
    x = 128,075,897,873,539,459,448,832/401,449,724,734.96
  6. Step 6: Final answer
    x = 319,033,467,909.58

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1.5x scale

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.