Home / 446,540,678.12-616,303,267.39-258,472,667.21

Finding the Fourth Proportional to 446,540,678.12, 616,303,267.39 and 258,472,667.21

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Solution

The fourth proportional to 446,540,678.12, 616,303,267.39 and 258,472,667.21 is: 356,736,927.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,540,678.12 : 616,303,267.39 = 258,472,667.21 : x
  2. Step 2: Convert to fraction form
    446,540,678.12/616,303,267.39 = 258,472,667.21/x
  3. Step 3: Cross multiply
    446,540,678.12x = 616,303,267.39 × 258,472,667.21
  4. Step 4: Simplify right side
    446,540,678.12x = 159,297,549,332,735,360
  5. Step 5: Solve for x
    x = 159,297,549,332,735,360/446,540,678.12
  6. Step 6: Final answer
    x = 356,736,927.09

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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.