Home / 671,963,120.58-927,313,069.86-389,873,526.60

Finding the Fourth Proportional to 671,963,120.58, 927,313,069.86 and 389,873,526.60

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Solution

The fourth proportional to 671,963,120.58, 927,313,069.86 and 389,873,526.60 is: 538,027,766.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,963,120.58 : 927,313,069.86 = 389,873,526.60 : x
  2. Step 2: Convert to fraction form
    671,963,120.58/927,313,069.86 = 389,873,526.60/x
  3. Step 3: Cross multiply
    671,963,120.58x = 927,313,069.86 × 389,873,526.60
  4. Step 4: Simplify right side
    671,963,120.58x = 361,534,816,808,590,400
  5. Step 5: Solve for x
    x = 361,534,816,808,590,400/671,963,120.58
  6. Step 6: Final answer
    x = 538,027,766.31

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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.