Home / 211,148,741,914.80-291,395,732,804.98-130,978,528,724.41

Finding the Fourth Proportional to 211,148,741,914.80, 291,395,732,804.98 and 130,978,528,724.41

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Solution

The fourth proportional to 211,148,741,914.80, 291,395,732,804.98 and 130,978,528,724.41 is: 180,756,863,684.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,148,741,914.80 : 291,395,732,804.98 = 130,978,528,724.41 : x
  2. Step 2: Convert to fraction form
    211,148,741,914.80/291,395,732,804.98 = 130,978,528,724.41/x
  3. Step 3: Cross multiply
    211,148,741,914.80x = 291,395,732,804.98 × 130,978,528,724.41
  4. Step 4: Simplify right side
    211,148,741,914.80x = 38,166,584,359,367,573,766,144
  5. Step 5: Solve for x
    x = 38,166,584,359,367,573,766,144/211,148,741,914.80
  6. Step 6: Final answer
    x = 180,756,863,684.12

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1.5x scale

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.