Home / 12,663,361,204.40-18,995,041,806.60-10,631,697,690.80

Finding the Fourth Proportional to 12,663,361,204.40, 18,995,041,806.60 and 10,631,697,690.80

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Solution

The fourth proportional to 12,663,361,204.40, 18,995,041,806.60 and 10,631,697,690.80 is: 15,947,546,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,663,361,204.40 : 18,995,041,806.60 = 10,631,697,690.80 : x
  2. Step 2: Convert to fraction form
    12,663,361,204.40/18,995,041,806.60 = 10,631,697,690.80/x
  3. Step 3: Cross multiply
    12,663,361,204.40x = 18,995,041,806.60 × 10,631,697,690.80
  4. Step 4: Simplify right side
    12,663,361,204.40x = 201,949,542,111,878,643,712
  5. Step 5: Solve for x
    x = 201,949,542,111,878,643,712/12,663,361,204.40
  6. Step 6: Final answer
    x = 15,947,546,536.20

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Double scale
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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.