Home / 468,313,186.35-646,271,692.29-256,625,178.69

Finding the Fourth Proportional to 468,313,186.35, 646,271,692.29 and 256,625,178.69

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Solution

The fourth proportional to 468,313,186.35, 646,271,692.29 and 256,625,178.69 is: 354,142,469.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,313,186.35 : 646,271,692.29 = 256,625,178.69 : x
  2. Step 2: Convert to fraction form
    468,313,186.35/646,271,692.29 = 256,625,178.69/x
  3. Step 3: Cross multiply
    468,313,186.35x = 646,271,692.29 × 256,625,178.69
  4. Step 4: Simplify right side
    468,313,186.35x = 165,849,588,516,209,920
  5. Step 5: Solve for x
    x = 165,849,588,516,209,920/468,313,186.35
  6. Step 6: Final answer
    x = 354,142,469.93

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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.