Home / 562,815,516.03-776,685,485.70-311,936,105.04

Finding the Fourth Proportional to 562,815,516.03, 776,685,485.70 and 311,936,105.04

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Solution

The fourth proportional to 562,815,516.03, 776,685,485.70 and 311,936,105.04 is: 430,471,865.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,815,516.03 : 776,685,485.70 = 311,936,105.04 : x
  2. Step 2: Convert to fraction form
    562,815,516.03/776,685,485.70 = 311,936,105.04/x
  3. Step 3: Cross multiply
    562,815,516.03x = 776,685,485.70 × 311,936,105.04
  4. Step 4: Simplify right side
    562,815,516.03x = 242,276,245,250,358,656
  5. Step 5: Solve for x
    x = 242,276,245,250,358,656/562,815,516.03
  6. Step 6: Final answer
    x = 430,471,865.74

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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.