Home / 851,472,028.80-1,277,208,043.20-238,055,270.40

Finding the Fourth Proportional to 851,472,028.80, 1,277,208,043.20 and 238,055,270.40

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Solution

The fourth proportional to 851,472,028.80, 1,277,208,043.20 and 238,055,270.40 is: 357,082,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,472,028.80 : 1,277,208,043.20 = 238,055,270.40 : x
  2. Step 2: Convert to fraction form
    851,472,028.80/1,277,208,043.20 = 238,055,270.40/x
  3. Step 3: Cross multiply
    851,472,028.80x = 1,277,208,043.20 × 238,055,270.40
  4. Step 4: Simplify right side
    851,472,028.80x = 304,046,106,081,030,912
  5. Step 5: Solve for x
    x = 304,046,106,081,030,912/851,472,028.80
  6. Step 6: Final answer
    x = 357,082,905.60

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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.