Home / 1,328,210,929.80-1,993,520,994.30-673,617,335.40

Finding the Fourth Proportional to 1,328,210,929.80, 1,993,520,994.30 and 673,617,335.40

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Solution

The fourth proportional to 1,328,210,929.80, 1,993,520,994.30 and 673,617,335.40 is: 1,011,036,929.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,210,929.80 : 1,993,520,994.30 = 673,617,335.40 : x
  2. Step 2: Convert to fraction form
    1,328,210,929.80/1,993,520,994.30 = 673,617,335.40/x
  3. Step 3: Cross multiply
    1,328,210,929.80x = 1,993,520,994.30 × 673,617,335.40
  4. Step 4: Simplify right side
    1,328,210,929.80x = 1,342,870,300,244,324,608
  5. Step 5: Solve for x
    x = 1,342,870,300,244,324,608/1,328,210,929.80
  6. Step 6: Final answer
    x = 1,011,036,929.54

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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.