Home / 741,420,004.80-1,112,130,007.20-188,721,364.80

Finding the Fourth Proportional to 741,420,004.80, 1,112,130,007.20 and 188,721,364.80

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Solution

The fourth proportional to 741,420,004.80, 1,112,130,007.20 and 188,721,364.80 is: 283,082,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,420,004.80 : 1,112,130,007.20 = 188,721,364.80 : x
  2. Step 2: Convert to fraction form
    741,420,004.80/1,112,130,007.20 = 188,721,364.80/x
  3. Step 3: Cross multiply
    741,420,004.80x = 1,112,130,007.20 × 188,721,364.80
  4. Step 4: Simplify right side
    741,420,004.80x = 209,882,692,793,817,856
  5. Step 5: Solve for x
    x = 209,882,692,793,817,856/741,420,004.80
  6. Step 6: Final answer
    x = 283,082,047.20

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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.