Home / 6,897,315,821.70-10,345,973,732.55-1,990,149,716.10

Finding the Fourth Proportional to 6,897,315,821.70, 10,345,973,732.55 and 1,990,149,716.10

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Solution

The fourth proportional to 6,897,315,821.70, 10,345,973,732.55 and 1,990,149,716.10 is: 2,985,224,574.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897,315,821.70 : 10,345,973,732.55 = 1,990,149,716.10 : x
  2. Step 2: Convert to fraction form
    6,897,315,821.70/10,345,973,732.55 = 1,990,149,716.10/x
  3. Step 3: Cross multiply
    6,897,315,821.70x = 10,345,973,732.55 × 1,990,149,716.10
  4. Step 4: Simplify right side
    6,897,315,821.70x = 20,590,036,686,612,439,040
  5. Step 5: Solve for x
    x = 20,590,036,686,612,439,040/6,897,315,821.70
  6. Step 6: Final answer
    x = 2,985,224,574.15

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1.5x scale

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.