Home / 1,782,085,890.96-2,459,079,074.28-989,165,290.16

Finding the Fourth Proportional to 1,782,085,890.96, 2,459,079,074.28 and 989,165,290.16

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Solution

The fourth proportional to 1,782,085,890.96, 2,459,079,074.28 and 989,165,290.16 is: 1,364,937,390.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,085,890.96 : 2,459,079,074.28 = 989,165,290.16 : x
  2. Step 2: Convert to fraction form
    1,782,085,890.96/2,459,079,074.28 = 989,165,290.16/x
  3. Step 3: Cross multiply
    1,782,085,890.96x = 2,459,079,074.28 × 989,165,290.16
  4. Step 4: Simplify right side
    1,782,085,890.96x = 2,432,435,666,036,560,384
  5. Step 5: Solve for x
    x = 2,432,435,666,036,560,384/1,782,085,890.96
  6. Step 6: Final answer
    x = 1,364,937,390.71

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1.5x scale

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.