Home / 1,429,277,546.20-2,143,916,319.30-509,183,901.40

Finding the Fourth Proportional to 1,429,277,546.20, 2,143,916,319.30 and 509,183,901.40

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Solution

The fourth proportional to 1,429,277,546.20, 2,143,916,319.30 and 509,183,901.40 is: 763,775,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,277,546.20 : 2,143,916,319.30 = 509,183,901.40 : x
  2. Step 2: Convert to fraction form
    1,429,277,546.20/2,143,916,319.30 = 509,183,901.40/x
  3. Step 3: Cross multiply
    1,429,277,546.20x = 2,143,916,319.30 × 509,183,901.40
  4. Step 4: Simplify right side
    1,429,277,546.20x = 1,091,647,675,736,302,080
  5. Step 5: Solve for x
    x = 1,091,647,675,736,302,080/1,429,277,546.20
  6. Step 6: Final answer
    x = 763,775,852.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.