Home / 409,075,215.60-613,090,276.20-166,464,015.60

Finding the Fourth Proportional to 409,075,215.60, 613,090,276.20 and 166,464,015.60

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Solution

The fourth proportional to 409,075,215.60, 613,090,276.20 and 166,464,015.60 is: 249,483,384.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,075,215.60 : 613,090,276.20 = 166,464,015.60 : x
  2. Step 2: Convert to fraction form
    409,075,215.60/613,090,276.20 = 166,464,015.60/x
  3. Step 3: Cross multiply
    409,075,215.60x = 613,090,276.20 × 166,464,015.60
  4. Step 4: Simplify right side
    409,075,215.60x = 102,057,469,301,565,120
  5. Step 5: Solve for x
    x = 102,057,469,301,565,120/409,075,215.60
  6. Step 6: Final answer
    x = 249,483,384.50

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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.