Home / 5,135,822,719.62-7,701,305,547.15-1,989,510,916.02

Finding the Fourth Proportional to 5,135,822,719.62, 7,701,305,547.15 and 1,989,510,916.02

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Solution

The fourth proportional to 5,135,822,719.62, 7,701,305,547.15 and 1,989,510,916.02 is: 2,983,325,611.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135,822,719.62 : 7,701,305,547.15 = 1,989,510,916.02 : x
  2. Step 2: Convert to fraction form
    5,135,822,719.62/7,701,305,547.15 = 1,989,510,916.02/x
  3. Step 3: Cross multiply
    5,135,822,719.62x = 7,701,305,547.15 × 1,989,510,916.02
  4. Step 4: Simplify right side
    5,135,822,719.62x = 15,321,831,453,660,303,360
  5. Step 5: Solve for x
    x = 15,321,831,453,660,303,360/5,135,822,719.62
  6. Step 6: Final answer
    x = 2,983,325,611.13

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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.