Home / 383,769,741.69-529,602,239.79-207,557,731.98

Finding the Fourth Proportional to 383,769,741.69, 529,602,239.79 and 207,557,731.98

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Solution

The fourth proportional to 383,769,741.69, 529,602,239.79 and 207,557,731.98 is: 286,429,668.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,769,741.69 : 529,602,239.79 = 207,557,731.98 : x
  2. Step 2: Convert to fraction form
    383,769,741.69/529,602,239.79 = 207,557,731.98/x
  3. Step 3: Cross multiply
    383,769,741.69x = 529,602,239.79 × 207,557,731.98
  4. Step 4: Simplify right side
    383,769,741.69x = 109,923,039,742,340,512
  5. Step 5: Solve for x
    x = 109,923,039,742,340,512/383,769,741.69
  6. Step 6: Final answer
    x = 286,429,668.11

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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.