Home / 1,345,210,228.80-2,017,815,343.20-825,956,942.40

Finding the Fourth Proportional to 1,345,210,228.80, 2,017,815,343.20 and 825,956,942.40

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Solution

The fourth proportional to 1,345,210,228.80, 2,017,815,343.20 and 825,956,942.40 is: 1,238,935,413.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,210,228.80 : 2,017,815,343.20 = 825,956,942.40 : x
  2. Step 2: Convert to fraction form
    1,345,210,228.80/2,017,815,343.20 = 825,956,942.40/x
  3. Step 3: Cross multiply
    1,345,210,228.80x = 2,017,815,343.20 × 825,956,942.40
  4. Step 4: Simplify right side
    1,345,210,228.80x = 1,666,628,591,197,278,720
  5. Step 5: Solve for x
    x = 1,666,628,591,197,278,720/1,345,210,228.80
  6. Step 6: Final answer
    x = 1,238,935,413.60

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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.