Home / 380,885,577.12-525,627,855.60-213,658,907.68

Finding the Fourth Proportional to 380,885,577.12, 525,627,855.60 and 213,658,907.68

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Solution

The fourth proportional to 380,885,577.12, 525,627,855.60 and 213,658,907.68 is: 294,852,523.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,885,577.12 : 525,627,855.60 = 213,658,907.68 : x
  2. Step 2: Convert to fraction form
    380,885,577.12/525,627,855.60 = 213,658,907.68/x
  3. Step 3: Cross multiply
    380,885,577.12x = 525,627,855.60 × 213,658,907.68
  4. Step 4: Simplify right side
    380,885,577.12x = 112,305,073,473,676,784
  5. Step 5: Solve for x
    x = 112,305,073,473,676,784/380,885,577.12
  6. Step 6: Final answer
    x = 294,852,523.22

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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.