Home / 683,214,018.90-942,836,628.83-381,799,332.66

Finding the Fourth Proportional to 683,214,018.90, 942,836,628.83 and 381,799,332.66

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Solution

The fourth proportional to 683,214,018.90, 942,836,628.83 and 381,799,332.66 is: 526,883,795.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,214,018.90 : 942,836,628.83 = 381,799,332.66 : x
  2. Step 2: Convert to fraction form
    683,214,018.90/942,836,628.83 = 381,799,332.66/x
  3. Step 3: Cross multiply
    683,214,018.90x = 942,836,628.83 × 381,799,332.66
  4. Step 4: Simplify right side
    683,214,018.90x = 359,974,395,693,160,512
  5. Step 5: Solve for x
    x = 359,974,395,693,160,512/683,214,018.90
  6. Step 6: Final answer
    x = 526,883,795.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.