Home / 4,878,215,538.50-7,312,158,880.55-1,640,870,240.43

Finding the Fourth Proportional to 4,878,215,538.50, 7,312,158,880.55 and 1,640,870,240.43

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Solution

The fourth proportional to 4,878,215,538.50, 7,312,158,880.55 and 1,640,870,240.43 is: 2,459,568,218.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878,215,538.50 : 7,312,158,880.55 = 1,640,870,240.43 : x
  2. Step 2: Convert to fraction form
    4,878,215,538.50/7,312,158,880.55 = 1,640,870,240.43/x
  3. Step 3: Cross multiply
    4,878,215,538.50x = 7,312,158,880.55 × 1,640,870,240.43
  4. Step 4: Simplify right side
    4,878,215,538.50x = 11,998,303,900,354,447,360
  5. Step 5: Solve for x
    x = 11,998,303,900,354,447,360/4,878,215,538.50
  6. Step 6: Final answer
    x = 2,459,568,218.27

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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.