Home / 630,594,678.54-870,203,796.30-348,331,044.36

Finding the Fourth Proportional to 630,594,678.54, 870,203,796.30 and 348,331,044.36

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Solution

The fourth proportional to 630,594,678.54, 870,203,796.30 and 348,331,044.36 is: 480,687,527.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,594,678.54 : 870,203,796.30 = 348,331,044.36 : x
  2. Step 2: Convert to fraction form
    630,594,678.54/870,203,796.30 = 348,331,044.36/x
  3. Step 3: Cross multiply
    630,594,678.54x = 870,203,796.30 × 348,331,044.36
  4. Step 4: Simplify right side
    630,594,678.54x = 303,118,997,171,215,680
  5. Step 5: Solve for x
    x = 303,118,997,171,215,680/630,594,678.54
  6. Step 6: Final answer
    x = 480,687,527.96

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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.