Home / 983,394,442.53-1,357,087,858.22-537,357,796.54

Finding the Fourth Proportional to 983,394,442.53, 1,357,087,858.22 and 537,357,796.54

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Solution

The fourth proportional to 983,394,442.53, 1,357,087,858.22 and 537,357,796.54 is: 741,555,686.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,394,442.53 : 1,357,087,858.22 = 537,357,796.54 : x
  2. Step 2: Convert to fraction form
    983,394,442.53/1,357,087,858.22 = 537,357,796.54/x
  3. Step 3: Cross multiply
    983,394,442.53x = 1,357,087,858.22 × 537,357,796.54
  4. Step 4: Simplify right side
    983,394,442.53x = 729,241,741,202,237,824
  5. Step 5: Solve for x
    x = 729,241,741,202,237,824/983,394,442.53
  6. Step 6: Final answer
    x = 741,555,686.78

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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.