Home / 696,845,533.55-961,672,211.24-379,290,442.05

Finding the Fourth Proportional to 696,845,533.55, 961,672,211.24 and 379,290,442.05

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Solution

The fourth proportional to 696,845,533.55, 961,672,211.24 and 379,290,442.05 is: 523,434,621.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,845,533.55 : 961,672,211.24 = 379,290,442.05 : x
  2. Step 2: Convert to fraction form
    696,845,533.55/961,672,211.24 = 379,290,442.05/x
  3. Step 3: Cross multiply
    696,845,533.55x = 961,672,211.24 × 379,290,442.05
  4. Step 4: Simplify right side
    696,845,533.55x = 364,753,078,106,524,160
  5. Step 5: Solve for x
    x = 364,753,078,106,524,160/696,845,533.55
  6. Step 6: Final answer
    x = 523,434,621.52

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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.