Home / 451,066,130,318.22-676,897,274,838.06-212,369,042,127.42

Finding the Fourth Proportional to 451,066,130,318.22, 676,897,274,838.06 and 212,369,042,127.42

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Solution

The fourth proportional to 451,066,130,318.22, 676,897,274,838.06 and 212,369,042,127.42 is: 318,693,903,651.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,066,130,318.22 : 676,897,274,838.06 = 212,369,042,127.42 : x
  2. Step 2: Convert to fraction form
    451,066,130,318.22/676,897,274,838.06 = 212,369,042,127.42/x
  3. Step 3: Cross multiply
    451,066,130,318.22x = 676,897,274,838.06 × 212,369,042,127.42
  4. Step 4: Simplify right side
    451,066,130,318.22x = 143,752,025,876,019,774,750,720
  5. Step 5: Solve for x
    x = 143,752,025,876,019,774,750,720/451,066,130,318.22
  6. Step 6: Final answer
    x = 318,693,903,651.35

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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.