Home / 1,649,945,690.10-2,282,920,825.71-1,438,693,035.03

Finding the Fourth Proportional to 1,649,945,690.10, 2,282,920,825.71 and 1,438,693,035.03

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Solution

The fourth proportional to 1,649,945,690.10, 2,282,920,825.71 and 1,438,693,035.03 is: 1,990,624,486.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649,945,690.10 : 2,282,920,825.71 = 1,438,693,035.03 : x
  2. Step 2: Convert to fraction form
    1,649,945,690.10/2,282,920,825.71 = 1,438,693,035.03/x
  3. Step 3: Cross multiply
    1,649,945,690.10x = 2,282,920,825.71 × 1,438,693,035.03
  4. Step 4: Simplify right side
    1,649,945,690.10x = 3,284,422,291,473,913,344
  5. Step 5: Solve for x
    x = 3,284,422,291,473,913,344/1,649,945,690.10
  6. Step 6: Final answer
    x = 1,990,624,486.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.