Home / 401,609,217.72-554,440,632.09-281,092,692.96

Finding the Fourth Proportional to 401,609,217.72, 554,440,632.09 and 281,092,692.96

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Solution

The fourth proportional to 401,609,217.72, 554,440,632.09 and 281,092,692.96 is: 388,061,835.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,609,217.72 : 554,440,632.09 = 281,092,692.96 : x
  2. Step 2: Convert to fraction form
    401,609,217.72/554,440,632.09 = 281,092,692.96/x
  3. Step 3: Cross multiply
    401,609,217.72x = 554,440,632.09 × 281,092,692.96
  4. Step 4: Simplify right side
    401,609,217.72x = 155,849,210,360,622,688
  5. Step 5: Solve for x
    x = 155,849,210,360,622,688/401,609,217.72
  6. Step 6: Final answer
    x = 388,061,835.94

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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.