Home / 1,004,928,332.36-1,507,390,632.30-314,888,442.44

Finding the Fourth Proportional to 1,004,928,332.36, 1,507,390,632.30 and 314,888,442.44

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Solution

The fourth proportional to 1,004,928,332.36, 1,507,390,632.30 and 314,888,442.44 is: 472,332,078.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,928,332.36 : 1,507,390,632.30 = 314,888,442.44 : x
  2. Step 2: Convert to fraction form
    1,004,928,332.36/1,507,390,632.30 = 314,888,442.44/x
  3. Step 3: Cross multiply
    1,004,928,332.36x = 1,507,390,632.30 × 314,888,442.44
  4. Step 4: Simplify right side
    1,004,928,332.36x = 474,659,888,353,593,728
  5. Step 5: Solve for x
    x = 474,659,888,353,593,728/1,004,928,332.36
  6. Step 6: Final answer
    x = 472,332,078.88

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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.