Home / 562,815,514.53-776,685,483.63-311,936,103.54

Finding the Fourth Proportional to 562,815,514.53, 776,685,483.63 and 311,936,103.54

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Solution

The fourth proportional to 562,815,514.53, 776,685,483.63 and 311,936,103.54 is: 430,471,863.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,815,514.53 : 776,685,483.63 = 311,936,103.54 : x
  2. Step 2: Convert to fraction form
    562,815,514.53/776,685,483.63 = 311,936,103.54/x
  3. Step 3: Cross multiply
    562,815,514.53x = 776,685,483.63 × 311,936,103.54
  4. Step 4: Simplify right side
    562,815,514.53x = 242,276,243,439,622,656
  5. Step 5: Solve for x
    x = 242,276,243,439,622,656/562,815,514.53
  6. Step 6: Final answer
    x = 430,471,863.67

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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.