Home / 7,105,037,820.36-9,805,068,273.78-3,889,894,172.04

Finding the Fourth Proportional to 7,105,037,820.36, 9,805,068,273.78 and 3,889,894,172.04

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Solution

The fourth proportional to 7,105,037,820.36, 9,805,068,273.78 and 3,889,894,172.04 is: 5,368,117,510.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105,037,820.36 : 9,805,068,273.78 = 3,889,894,172.04 : x
  2. Step 2: Convert to fraction form
    7,105,037,820.36/9,805,068,273.78 = 3,889,894,172.04/x
  3. Step 3: Cross multiply
    7,105,037,820.36x = 9,805,068,273.78 × 3,889,894,172.04
  4. Step 4: Simplify right side
    7,105,037,820.36x = 38,140,677,934,631,124,992
  5. Step 5: Solve for x
    x = 38,140,677,934,631,124,992/7,105,037,820.36
  6. Step 6: Final answer
    x = 5,368,117,510.27

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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.