Home / 380,760,692.95-525,256,374.67-248,679,004.02

Finding the Fourth Proportional to 380,760,692.95, 525,256,374.67 and 248,679,004.02

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Solution

The fourth proportional to 380,760,692.95, 525,256,374.67 and 248,679,004.02 is: 343,050,725.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,760,692.95 : 525,256,374.67 = 248,679,004.02 : x
  2. Step 2: Convert to fraction form
    380,760,692.95/525,256,374.67 = 248,679,004.02/x
  3. Step 3: Cross multiply
    380,760,692.95x = 525,256,374.67 × 248,679,004.02
  4. Step 4: Simplify right side
    380,760,692.95x = 130,620,232,105,500,160
  5. Step 5: Solve for x
    x = 130,620,232,105,500,160/380,760,692.95
  6. Step 6: Final answer
    x = 343,050,725.89

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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.