Home / 1,990,658,622.80-2,985,987,934.20-1,119,945,688.40

Finding the Fourth Proportional to 1,990,658,622.80, 2,985,987,934.20 and 1,119,945,688.40

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Solution

The fourth proportional to 1,990,658,622.80, 2,985,987,934.20 and 1,119,945,688.40 is: 1,679,918,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,658,622.80 : 2,985,987,934.20 = 1,119,945,688.40 : x
  2. Step 2: Convert to fraction form
    1,990,658,622.80/2,985,987,934.20 = 1,119,945,688.40/x
  3. Step 3: Cross multiply
    1,990,658,622.80x = 2,985,987,934.20 × 1,119,945,688.40
  4. Step 4: Simplify right side
    1,990,658,622.80x = 3,344,144,312,521,713,152
  5. Step 5: Solve for x
    x = 3,344,144,312,521,713,152/1,990,658,622.80
  6. Step 6: Final answer
    x = 1,679,918,532.60

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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.