Home / 300,406,284.75-414,555,186.02-166,443,712.44

Finding the Fourth Proportional to 300,406,284.75, 414,555,186.02 and 166,443,712.44

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Solution

The fourth proportional to 300,406,284.75, 414,555,186.02 and 166,443,712.44 is: 229,689,283.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,406,284.75 : 414,555,186.02 = 166,443,712.44 : x
  2. Step 2: Convert to fraction form
    300,406,284.75/414,555,186.02 = 166,443,712.44/x
  3. Step 3: Cross multiply
    300,406,284.75x = 414,555,186.02 × 166,443,712.44
  4. Step 4: Simplify right side
    300,406,284.75x = 69,000,104,172,423,584
  5. Step 5: Solve for x
    x = 69,000,104,172,423,584/300,406,284.75
  6. Step 6: Final answer
    x = 229,689,283.06

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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.