Home / 457,166,439.36-630,942,023.25-256,277,571.81

Finding the Fourth Proportional to 457,166,439.36, 630,942,023.25 and 256,277,571.81

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Solution

The fourth proportional to 457,166,439.36, 630,942,023.25 and 256,277,571.81 is: 353,692,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,166,439.36 : 630,942,023.25 = 256,277,571.81 : x
  2. Step 2: Convert to fraction form
    457,166,439.36/630,942,023.25 = 256,277,571.81/x
  3. Step 3: Cross multiply
    457,166,439.36x = 630,942,023.25 × 256,277,571.81
  4. Step 4: Simplify right side
    457,166,439.36x = 161,696,289,671,398,560
  5. Step 5: Solve for x
    x = 161,696,289,671,398,560/457,166,439.36
  6. Step 6: Final answer
    x = 353,692,388.05

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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.