Home / 399,097,853.69-546,754,919.39-384,176,515.84

Finding the Fourth Proportional to 399,097,853.69, 546,754,919.39 and 384,176,515.84

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Solution

The fourth proportional to 399,097,853.69, 546,754,919.39 and 384,176,515.84 is: 526,313,028.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,097,853.69 : 546,754,919.39 = 384,176,515.84 : x
  2. Step 2: Convert to fraction form
    399,097,853.69/546,754,919.39 = 384,176,515.84/x
  3. Step 3: Cross multiply
    399,097,853.69x = 546,754,919.39 × 384,176,515.84
  4. Step 4: Simplify right side
    399,097,853.69x = 210,050,399,947,783,136
  5. Step 5: Solve for x
    x = 210,050,399,947,783,136/399,097,853.69
  6. Step 6: Final answer
    x = 526,313,028.27

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.