Home / 1,213,048,166.28-1,819,577,580.24-384,005,881.56

Finding the Fourth Proportional to 1,213,048,166.28, 1,819,577,580.24 and 384,005,881.56

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Solution

The fourth proportional to 1,213,048,166.28, 1,819,577,580.24 and 384,005,881.56 is: 576,010,509.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,048,166.28 : 1,819,577,580.24 = 384,005,881.56 : x
  2. Step 2: Convert to fraction form
    1,213,048,166.28/1,819,577,580.24 = 384,005,881.56/x
  3. Step 3: Cross multiply
    1,213,048,166.28x = 1,819,577,580.24 × 384,005,881.56
  4. Step 4: Simplify right side
    1,213,048,166.28x = 698,728,492,766,872,832
  5. Step 5: Solve for x
    x = 698,728,492,766,872,832/1,213,048,166.28
  6. Step 6: Final answer
    x = 576,010,509.88

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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.