Home / 388,509,027,201.03-536,106,477,761.15-214,890,429,911.61

Finding the Fourth Proportional to 388,509,027,201.03, 536,106,477,761.15 and 214,890,429,911.61

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Solution

The fourth proportional to 388,509,027,201.03, 536,106,477,761.15 and 214,890,429,911.61 is: 296,528,892,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,509,027,201.03 : 536,106,477,761.15 = 214,890,429,911.61 : x
  2. Step 2: Convert to fraction form
    388,509,027,201.03/536,106,477,761.15 = 214,890,429,911.61/x
  3. Step 3: Cross multiply
    388,509,027,201.03x = 536,106,477,761.15 × 214,890,429,911.61
  4. Step 4: Simplify right side
    388,509,027,201.03x = 115,204,151,484,492,499,910,656
  5. Step 5: Solve for x
    x = 115,204,151,484,492,499,910,656/388,509,027,201.03
  6. Step 6: Final answer
    x = 296,528,892,300.05

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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.