Home / 388,509,027,223.58-536,106,477,792.15-214,890,429,934.05

Finding the Fourth Proportional to 388,509,027,223.58, 536,106,477,792.15 and 214,890,429,934.05

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Solution

The fourth proportional to 388,509,027,223.58, 536,106,477,792.15 and 214,890,429,934.05 is: 296,528,892,330.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,509,027,223.58 : 536,106,477,792.15 = 214,890,429,934.05 : x
  2. Step 2: Convert to fraction form
    388,509,027,223.58/536,106,477,792.15 = 214,890,429,934.05/x
  3. Step 3: Cross multiply
    388,509,027,223.58x = 536,106,477,792.15 × 214,890,429,934.05
  4. Step 4: Simplify right side
    388,509,027,223.58x = 115,204,151,503,184,348,577,792
  5. Step 5: Solve for x
    x = 115,204,151,503,184,348,577,792/388,509,027,223.58
  6. Step 6: Final answer
    x = 296,528,892,330.95

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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.