Home / 1,067,458,858.40-1,602,221,156.37-515,150,089.42

Finding the Fourth Proportional to 1,067,458,858.40, 1,602,221,156.37 and 515,150,089.42

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Solution

The fourth proportional to 1,067,458,858.40, 1,602,221,156.37 and 515,150,089.42 is: 773,223,591.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,458,858.40 : 1,602,221,156.37 = 515,150,089.42 : x
  2. Step 2: Convert to fraction form
    1,067,458,858.40/1,602,221,156.37 = 515,150,089.42/x
  3. Step 3: Cross multiply
    1,067,458,858.40x = 1,602,221,156.37 × 515,150,089.42
  4. Step 4: Simplify right side
    1,067,458,858.40x = 825,384,371,974,621,312
  5. Step 5: Solve for x
    x = 825,384,371,974,621,312/1,067,458,858.40
  6. Step 6: Final answer
    x = 773,223,591.22

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Double scale
Find fourth proportional to 1,067,458,859.40, 1,602,221,157.87 and 515,150,090.42
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.