Home / 358,977,674.40-538,466,511.60-186,790,790.40

Finding the Fourth Proportional to 358,977,674.40, 538,466,511.60 and 186,790,790.40

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Solution

The fourth proportional to 358,977,674.40, 538,466,511.60 and 186,790,790.40 is: 280,186,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,977,674.40 : 538,466,511.60 = 186,790,790.40 : x
  2. Step 2: Convert to fraction form
    358,977,674.40/538,466,511.60 = 186,790,790.40/x
  3. Step 3: Cross multiply
    358,977,674.40x = 538,466,511.60 × 186,790,790.40
  4. Step 4: Simplify right side
    358,977,674.40x = 100,580,585,305,694,784
  5. Step 5: Solve for x
    x = 100,580,585,305,694,784/358,977,674.40
  6. Step 6: Final answer
    x = 280,186,185.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.