Home / 1,990,656,823.80-2,985,985,235.70-1,119,943,889.40

Finding the Fourth Proportional to 1,990,656,823.80, 2,985,985,235.70 and 1,119,943,889.40

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Solution

The fourth proportional to 1,990,656,823.80, 2,985,985,235.70 and 1,119,943,889.40 is: 1,679,915,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,656,823.80 : 2,985,985,235.70 = 1,119,943,889.40 : x
  2. Step 2: Convert to fraction form
    1,990,656,823.80/2,985,985,235.70 = 1,119,943,889.40/x
  3. Step 3: Cross multiply
    1,990,656,823.80x = 2,985,985,235.70 × 1,119,943,889.40
  4. Step 4: Simplify right side
    1,990,656,823.80x = 3,344,135,918,560,834,048
  5. Step 5: Solve for x
    x = 3,344,135,918,560,834,048/1,990,656,823.80
  6. Step 6: Final answer
    x = 1,679,915,834.10

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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.