Home / 388,509,027,222.08-536,106,477,790.10-214,890,429,932.55

Finding the Fourth Proportional to 388,509,027,222.08, 536,106,477,790.10 and 214,890,429,932.55

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Solution

The fourth proportional to 388,509,027,222.08, 536,106,477,790.10 and 214,890,429,932.55 is: 296,528,892,328.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,509,027,222.08 : 536,106,477,790.10 = 214,890,429,932.55 : x
  2. Step 2: Convert to fraction form
    388,509,027,222.08/536,106,477,790.10 = 214,890,429,932.55/x
  3. Step 3: Cross multiply
    388,509,027,222.08x = 536,106,477,790.10 × 214,890,429,932.55
  4. Step 4: Simplify right side
    388,509,027,222.08x = 115,204,151,501,939,646,922,752
  5. Step 5: Solve for x
    x = 115,204,151,501,939,646,922,752/388,509,027,222.08
  6. Step 6: Final answer
    x = 296,528,892,328.89

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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.