Home / 626,234,133.11-864,179,427.95-347,793,592.77

Finding the Fourth Proportional to 626,234,133.11, 864,179,427.95 and 347,793,592.77

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Solution

The fourth proportional to 626,234,133.11, 864,179,427.95 and 347,793,592.77 is: 479,942,009.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,234,133.11 : 864,179,427.95 = 347,793,592.77 : x
  2. Step 2: Convert to fraction form
    626,234,133.11/864,179,427.95 = 347,793,592.77/x
  3. Step 3: Cross multiply
    626,234,133.11x = 864,179,427.95 × 347,793,592.77
  4. Step 4: Simplify right side
    626,234,133.11x = 300,556,068,042,914,880
  5. Step 5: Solve for x
    x = 300,556,068,042,914,880/626,234,133.11
  6. Step 6: Final answer
    x = 479,942,009.15

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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.