Home / 359,544,965.02-496,030,878.15-208,811,961.58

Finding the Fourth Proportional to 359,544,965.02, 496,030,878.15 and 208,811,961.58

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Solution

The fourth proportional to 359,544,965.02, 496,030,878.15 and 208,811,961.58 is: 288,078,517.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,544,965.02 : 496,030,878.15 = 208,811,961.58 : x
  2. Step 2: Convert to fraction form
    359,544,965.02/496,030,878.15 = 208,811,961.58/x
  3. Step 3: Cross multiply
    359,544,965.02x = 496,030,878.15 × 208,811,961.58
  4. Step 4: Simplify right side
    359,544,965.02x = 103,577,180,670,751,456
  5. Step 5: Solve for x
    x = 103,577,180,670,751,456/359,544,965.02
  6. Step 6: Final answer
    x = 288,078,517.98

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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.