Home / 508,611,909,821.50-763,066,737,670.75-164,005,981,830.95

Finding the Fourth Proportional to 508,611,909,821.50, 763,066,737,670.75 and 164,005,981,830.95

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Solution

The fourth proportional to 508,611,909,821.50, 763,066,737,670.75 and 164,005,981,830.95 is: 246,056,978,017.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,611,909,821.50 : 763,066,737,670.75 = 164,005,981,830.95 : x
  2. Step 2: Convert to fraction form
    508,611,909,821.50/763,066,737,670.75 = 164,005,981,830.95/x
  3. Step 3: Cross multiply
    508,611,909,821.50x = 763,066,737,670.75 × 164,005,981,830.95
  4. Step 4: Simplify right side
    508,611,909,821.50x = 125,147,509,514,231,330,373,632
  5. Step 5: Solve for x
    x = 125,147,509,514,231,330,373,632/508,611,909,821.50
  6. Step 6: Final answer
    x = 246,056,978,017.19

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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.