Home / 401,725,008.42-601,670,082.30-191,783,372.40

Finding the Fourth Proportional to 401,725,008.42, 601,670,082.30 and 191,783,372.40

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Solution

The fourth proportional to 401,725,008.42, 601,670,082.30 and 191,783,372.40 is: 287,237,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,725,008.42 : 601,670,082.30 = 191,783,372.40 : x
  2. Step 2: Convert to fraction form
    401,725,008.42/601,670,082.30 = 191,783,372.40/x
  3. Step 3: Cross multiply
    401,725,008.42x = 601,670,082.30 × 191,783,372.40
  4. Step 4: Simplify right side
    401,725,008.42x = 115,390,317,455,679,536
  5. Step 5: Solve for x
    x = 115,390,317,455,679,536/401,725,008.42
  6. Step 6: Final answer
    x = 287,237,077.70

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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.