Home / 370,798,206.71-511,468,770.78-219,984,088.58

Finding the Fourth Proportional to 370,798,206.71, 511,468,770.78 and 219,984,088.58

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Solution

The fourth proportional to 370,798,206.71, 511,468,770.78 and 219,984,088.58 is: 303,439,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,798,206.71 : 511,468,770.78 = 219,984,088.58 : x
  2. Step 2: Convert to fraction form
    370,798,206.71/511,468,770.78 = 219,984,088.58/x
  3. Step 3: Cross multiply
    370,798,206.71x = 511,468,770.78 × 219,984,088.58
  4. Step 4: Simplify right side
    370,798,206.71x = 112,514,991,378,993,168
  5. Step 5: Solve for x
    x = 112,514,991,378,993,168/370,798,206.71
  6. Step 6: Final answer
    x = 303,439,955.60

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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.