Home / 508,611,909,846.79-763,066,737,708.72-164,005,981,856.29

Finding the Fourth Proportional to 508,611,909,846.79, 763,066,737,708.72 and 164,005,981,856.29

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Solution

The fourth proportional to 508,611,909,846.79, 763,066,737,708.72 and 164,005,981,856.29 is: 246,056,978,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,611,909,846.79 : 763,066,737,708.72 = 164,005,981,856.29 : x
  2. Step 2: Convert to fraction form
    508,611,909,846.79/763,066,737,708.72 = 164,005,981,856.29/x
  3. Step 3: Cross multiply
    508,611,909,846.79x = 763,066,737,708.72 × 164,005,981,856.29
  4. Step 4: Simplify right side
    508,611,909,846.79x = 125,147,509,539,794,740,838,400
  5. Step 5: Solve for x
    x = 125,147,509,539,794,740,838,400/508,611,909,846.79
  6. Step 6: Final answer
    x = 246,056,978,055.22

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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.