Home / 370,267,653.28-510,973,977.36-213,667,255.84

Finding the Fourth Proportional to 370,267,653.28, 510,973,977.36 and 213,667,255.84

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Solution

The fourth proportional to 370,267,653.28, 510,973,977.36 and 213,667,255.84 is: 294,863,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,267,653.28 : 510,973,977.36 = 213,667,255.84 : x
  2. Step 2: Convert to fraction form
    370,267,653.28/510,973,977.36 = 213,667,255.84/x
  3. Step 3: Cross multiply
    370,267,653.28x = 510,973,977.36 × 213,667,255.84
  4. Step 4: Simplify right side
    370,267,653.28x = 109,178,407,548,161,488
  5. Step 5: Solve for x
    x = 109,178,407,548,161,488/370,267,653.28
  6. Step 6: Final answer
    x = 294,863,476.68

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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.