Home / 388,509,027,203.40-536,106,477,764.46-214,890,429,913.98

Finding the Fourth Proportional to 388,509,027,203.40, 536,106,477,764.46 and 214,890,429,913.98

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Solution

The fourth proportional to 388,509,027,203.40, 536,106,477,764.46 and 214,890,429,913.98 is: 296,528,892,303.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,509,027,203.40 : 536,106,477,764.46 = 214,890,429,913.98 : x
  2. Step 2: Convert to fraction form
    388,509,027,203.40/536,106,477,764.46 = 214,890,429,913.98/x
  3. Step 3: Cross multiply
    388,509,027,203.40x = 536,106,477,764.46 × 214,890,429,913.98
  4. Step 4: Simplify right side
    388,509,027,203.40x = 115,204,151,486,474,375,659,520
  5. Step 5: Solve for x
    x = 115,204,151,486,474,375,659,520/388,509,027,203.40
  6. Step 6: Final answer
    x = 296,528,892,303.35

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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.