Home / 383,769,698.57-529,602,180.28-207,557,688.86

Finding the Fourth Proportional to 383,769,698.57, 529,602,180.28 and 207,557,688.86

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Solution

The fourth proportional to 383,769,698.57, 529,602,180.28 and 207,557,688.86 is: 286,429,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,769,698.57 : 529,602,180.28 = 207,557,688.86 : x
  2. Step 2: Convert to fraction form
    383,769,698.57/529,602,180.28 = 207,557,688.86/x
  3. Step 3: Cross multiply
    383,769,698.57x = 529,602,180.28 × 207,557,688.86
  4. Step 4: Simplify right side
    383,769,698.57x = 109,923,004,550,966,944
  5. Step 5: Solve for x
    x = 109,923,004,550,966,944/383,769,698.57
  6. Step 6: Final answer
    x = 286,429,608.60

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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.