Home / 454,808,307.42-682,212,582.63-127,332,059.58

Finding the Fourth Proportional to 454,808,307.42, 682,212,582.63 and 127,332,059.58

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Solution

The fourth proportional to 454,808,307.42, 682,212,582.63 and 127,332,059.58 is: 190,998,123.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,808,307.42 : 682,212,582.63 = 127,332,059.58 : x
  2. Step 2: Convert to fraction form
    454,808,307.42/682,212,582.63 = 127,332,059.58/x
  3. Step 3: Cross multiply
    454,808,307.42x = 682,212,582.63 × 127,332,059.58
  4. Step 4: Simplify right side
    454,808,307.42x = 86,867,533,217,668,832
  5. Step 5: Solve for x
    x = 86,867,533,217,668,832/454,808,307.42
  6. Step 6: Final answer
    x = 190,998,123.39

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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.