Home / 304,486,094.88-420,191,226.72-165,256,858.56

Finding the Fourth Proportional to 304,486,094.88, 420,191,226.72 and 165,256,858.56

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Solution

The fourth proportional to 304,486,094.88, 420,191,226.72 and 165,256,858.56 is: 228,054,690.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,486,094.88 : 420,191,226.72 = 165,256,858.56 : x
  2. Step 2: Convert to fraction form
    304,486,094.88/420,191,226.72 = 165,256,858.56/x
  3. Step 3: Cross multiply
    304,486,094.88x = 420,191,226.72 × 165,256,858.56
  4. Step 4: Simplify right side
    304,486,094.88x = 69,439,482,122,219,936
  5. Step 5: Solve for x
    x = 69,439,482,122,219,936/304,486,094.88
  6. Step 6: Final answer
    x = 228,054,690.48

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1.5x scale

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.