Home / 525,635,560.08-788,538,370.72-218,958,673.68

Finding the Fourth Proportional to 525,635,560.08, 788,538,370.72 and 218,958,673.68

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Solution

The fourth proportional to 525,635,560.08, 788,538,370.72 and 218,958,673.68 is: 328,473,430.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,635,560.08 : 788,538,370.72 = 218,958,673.68 : x
  2. Step 2: Convert to fraction form
    525,635,560.08/788,538,370.72 = 218,958,673.68/x
  3. Step 3: Cross multiply
    525,635,560.08x = 788,538,370.72 × 218,958,673.68
  4. Step 4: Simplify right side
    525,635,560.08x = 172,657,315,798,639,360
  5. Step 5: Solve for x
    x = 172,657,315,798,639,360/525,635,560.08
  6. Step 6: Final answer
    x = 328,473,430.85

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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.