Home / 477,236,213.94-715,957,357.14-145,269,182.64

Finding the Fourth Proportional to 477,236,213.94, 715,957,357.14 and 145,269,182.64

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Solution

The fourth proportional to 477,236,213.94, 715,957,357.14 and 145,269,182.64 is: 217,935,137.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,236,213.94 : 715,957,357.14 = 145,269,182.64 : x
  2. Step 2: Convert to fraction form
    477,236,213.94/715,957,357.14 = 145,269,182.64/x
  3. Step 3: Cross multiply
    477,236,213.94x = 715,957,357.14 × 145,269,182.64
  4. Step 4: Simplify right side
    477,236,213.94x = 104,006,540,076,822,352
  5. Step 5: Solve for x
    x = 104,006,540,076,822,352/477,236,213.94
  6. Step 6: Final answer
    x = 217,935,137.86

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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.