Home / 468,313,193.10-646,271,701.60-256,625,185.44

Finding the Fourth Proportional to 468,313,193.10, 646,271,701.60 and 256,625,185.44

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Solution

The fourth proportional to 468,313,193.10, 646,271,701.60 and 256,625,185.44 is: 354,142,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,313,193.10 : 646,271,701.60 = 256,625,185.44 : x
  2. Step 2: Convert to fraction form
    468,313,193.10/646,271,701.60 = 256,625,185.44/x
  3. Step 3: Cross multiply
    468,313,193.10x = 646,271,701.60 × 256,625,185.44
  4. Step 4: Simplify right side
    468,313,193.10x = 165,849,595,267,724,352
  5. Step 5: Solve for x
    x = 165,849,595,267,724,352/468,313,193.10
  6. Step 6: Final answer
    x = 354,142,479.25

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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.