Home / 451,066,130,317.22-676,897,274,836.56-212,369,042,126.42

Finding the Fourth Proportional to 451,066,130,317.22, 676,897,274,836.56 and 212,369,042,126.42

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Solution

The fourth proportional to 451,066,130,317.22, 676,897,274,836.56 and 212,369,042,126.42 is: 318,693,903,649.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,066,130,317.22 : 676,897,274,836.56 = 212,369,042,126.42 : x
  2. Step 2: Convert to fraction form
    451,066,130,317.22/676,897,274,836.56 = 212,369,042,126.42/x
  3. Step 3: Cross multiply
    451,066,130,317.22x = 676,897,274,836.56 × 212,369,042,126.42
  4. Step 4: Simplify right side
    451,066,130,317.22x = 143,752,025,875,024,332,193,792
  5. Step 5: Solve for x
    x = 143,752,025,875,024,332,193,792/451,066,130,317.22
  6. Step 6: Final answer
    x = 318,693,903,649.85

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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.