Home / 81,798,681,479.64-122,710,290,584.28-28,730,361,029.58

Finding the Fourth Proportional to 81,798,681,479.64, 122,710,290,584.28 and 28,730,361,029.58

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Solution

The fourth proportional to 81,798,681,479.64, 122,710,290,584.28 and 28,730,361,029.58 is: 43,099,850,593.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,798,681,479.64 : 122,710,290,584.28 = 28,730,361,029.58 : x
  2. Step 2: Convert to fraction form
    81,798,681,479.64/122,710,290,584.28 = 28,730,361,029.58/x
  3. Step 3: Cross multiply
    81,798,681,479.64x = 122,710,290,584.28 × 28,730,361,029.58
  4. Step 4: Simplify right side
    81,798,681,479.64x = 3,525,510,950,531,036,086,272
  5. Step 5: Solve for x
    x = 3,525,510,950,531,036,086,272/81,798,681,479.64
  6. Step 6: Final answer
    x = 43,099,850,593.66

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1.5x scale

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.