Home / 388,509,027,201.70-536,106,477,762.10-214,890,429,912.25

Finding the Fourth Proportional to 388,509,027,201.70, 536,106,477,762.10 and 214,890,429,912.25

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Solution

The fourth proportional to 388,509,027,201.70, 536,106,477,762.10 and 214,890,429,912.25 is: 296,528,892,300.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,509,027,201.70 : 536,106,477,762.10 = 214,890,429,912.25 : x
  2. Step 2: Convert to fraction form
    388,509,027,201.70/536,106,477,762.10 = 214,890,429,912.25/x
  3. Step 3: Cross multiply
    388,509,027,201.70x = 536,106,477,762.10 × 214,890,429,912.25
  4. Step 4: Simplify right side
    388,509,027,201.70x = 115,204,151,485,039,755,919,360
  5. Step 5: Solve for x
    x = 115,204,151,485,039,755,919,360/388,509,027,201.70
  6. Step 6: Final answer
    x = 296,528,892,300.95

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Why These Related Problems?

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