Home / 329,618,938.68-493,781,964.53-191,153,648.25

Finding the Fourth Proportional to 329,618,938.68, 493,781,964.53 and 191,153,648.25

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Solution

The fourth proportional to 329,618,938.68, 493,781,964.53 and 191,153,648.25 is: 286,355,584.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,618,938.68 : 493,781,964.53 = 191,153,648.25 : x
  2. Step 2: Convert to fraction form
    329,618,938.68/493,781,964.53 = 191,153,648.25/x
  3. Step 3: Cross multiply
    329,618,938.68x = 493,781,964.53 × 191,153,648.25
  4. Step 4: Simplify right side
    329,618,938.68x = 94,388,223,959,005,824
  5. Step 5: Solve for x
    x = 94,388,223,959,005,824/329,618,938.68
  6. Step 6: Final answer
    x = 286,355,584.84

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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.