Home / 314,928,005.70-472,392,008.55-295,780,383.30

Finding the Fourth Proportional to 314,928,005.70, 472,392,008.55 and 295,780,383.30

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Solution

The fourth proportional to 314,928,005.70, 472,392,008.55 and 295,780,383.30 is: 443,670,574.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,005.70 : 472,392,008.55 = 295,780,383.30 : x
  2. Step 2: Convert to fraction form
    314,928,005.70/472,392,008.55 = 295,780,383.30/x
  3. Step 3: Cross multiply
    314,928,005.70x = 472,392,008.55 × 295,780,383.30
  4. Step 4: Simplify right side
    314,928,005.70x = 139,724,289,356,775,888
  5. Step 5: Solve for x
    x = 139,724,289,356,775,888/314,928,005.70
  6. Step 6: Final answer
    x = 443,670,574.95

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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.