Home / 702,606,325-969,602,504.96-389,345,770.34

Finding the Fourth Proportional to 702,606,325, 969,602,504.96 and 389,345,770.34

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Solution

The fourth proportional to 702,606,325, 969,602,504.96 and 389,345,770.34 is: 537,300,364.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,606,325 : 969,602,504.96 = 389,345,770.34 : x
  2. Step 2: Convert to fraction form
    702,606,325/969,602,504.96 = 389,345,770.34/x
  3. Step 3: Cross multiply
    702,606,325x = 969,602,504.96 × 389,345,770.34
  4. Step 4: Simplify right side
    702,606,325x = 377,510,634,217,244,864
  5. Step 5: Solve for x
    x = 377,510,634,217,244,864/702,606,325
  6. Step 6: Final answer
    x = 537,300,364.07

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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.