Home / 507,785,099,177.90-700,722,287,737.57-276,299,527,514.79

Finding the Fourth Proportional to 507,785,099,177.90, 700,722,287,737.57 and 276,299,527,514.79

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Solution

The fourth proportional to 507,785,099,177.90, 700,722,287,737.57 and 276,299,527,514.79 is: 381,281,840,161.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,785,099,177.90 : 700,722,287,737.57 = 276,299,527,514.79 : x
  2. Step 2: Convert to fraction form
    507,785,099,177.90/700,722,287,737.57 = 276,299,527,514.79/x
  3. Step 3: Cross multiply
    507,785,099,177.90x = 700,722,287,737.57 × 276,299,527,514.79
  4. Step 4: Simplify right side
    507,785,099,177.90x = 193,609,237,020,973,276,856,320
  5. Step 5: Solve for x
    x = 193,609,237,020,973,276,856,320/507,785,099,177.90
  6. Step 6: Final answer
    x = 381,281,840,161.17

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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.