Home / 313,509,824.43-470,448,113.42-116,909,059.87

Finding the Fourth Proportional to 313,509,824.43, 470,448,113.42 and 116,909,059.87

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Solution

The fourth proportional to 313,509,824.43, 470,448,113.42 and 116,909,059.87 is: 175,431,971.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,509,824.43 : 470,448,113.42 = 116,909,059.87 : x
  2. Step 2: Convert to fraction form
    313,509,824.43/470,448,113.42 = 116,909,059.87/x
  3. Step 3: Cross multiply
    313,509,824.43x = 470,448,113.42 × 116,909,059.87
  4. Step 4: Simplify right side
    313,509,824.43x = 54,999,646,658,427,664
  5. Step 5: Solve for x
    x = 54,999,646,658,427,664/313,509,824.43
  6. Step 6: Final answer
    x = 175,431,971.74

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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.