Home / 1,118,352,880.22-1,543,260,578.54-641,933,184.38

Finding the Fourth Proportional to 1,118,352,880.22, 1,543,260,578.54 and 641,933,184.38

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Solution

The fourth proportional to 1,118,352,880.22, 1,543,260,578.54 and 641,933,184.38 is: 885,829,683.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,352,880.22 : 1,543,260,578.54 = 641,933,184.38 : x
  2. Step 2: Convert to fraction form
    1,118,352,880.22/1,543,260,578.54 = 641,933,184.38/x
  3. Step 3: Cross multiply
    1,118,352,880.22x = 1,543,260,578.54 × 641,933,184.38
  4. Step 4: Simplify right side
    1,118,352,880.22x = 990,670,177,510,303,232
  5. Step 5: Solve for x
    x = 990,670,177,510,303,232/1,118,352,880.22
  6. Step 6: Final answer
    x = 885,829,683.13

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Double scale
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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.