Home / 1,245,295,814.64-1,718,528,641.08-743,548,443.90

Finding the Fourth Proportional to 1,245,295,814.64, 1,718,528,641.08 and 743,548,443.90

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Solution

The fourth proportional to 1,245,295,814.64, 1,718,528,641.08 and 743,548,443.90 is: 1,026,109,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,295,814.64 : 1,718,528,641.08 = 743,548,443.90 : x
  2. Step 2: Convert to fraction form
    1,245,295,814.64/1,718,528,641.08 = 743,548,443.90/x
  3. Step 3: Cross multiply
    1,245,295,814.64x = 1,718,528,641.08 × 743,548,443.90
  4. Step 4: Simplify right side
    1,245,295,814.64x = 1,277,809,296,866,378,240
  5. Step 5: Solve for x
    x = 1,277,809,296,866,378,240/1,245,295,814.64
  6. Step 6: Final answer
    x = 1,026,109,043.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.