Home / 401,875,111.72-601,933,790.04-284,936,005.45

Finding the Fourth Proportional to 401,875,111.72, 601,933,790.04 and 284,936,005.45

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Solution

The fourth proportional to 401,875,111.72, 601,933,790.04 and 284,936,005.45 is: 426,780,869.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,875,111.72 : 601,933,790.04 = 284,936,005.45 : x
  2. Step 2: Convert to fraction form
    401,875,111.72/601,933,790.04 = 284,936,005.45/x
  3. Step 3: Cross multiply
    401,875,111.72x = 601,933,790.04 × 284,936,005.45
  4. Step 4: Simplify right side
    401,875,111.72x = 171,512,609,679,376,576
  5. Step 5: Solve for x
    x = 171,512,609,679,376,576/401,875,111.72
  6. Step 6: Final answer
    x = 426,780,869.67

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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.