Home / 1,295,464,273,240.10-1,787,796,893,378-717,400,792,016.79

Finding the Fourth Proportional to 1,295,464,273,240.10, 1,787,796,893,378 and 717,400,792,016.79

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Solution

The fourth proportional to 1,295,464,273,240.10, 1,787,796,893,378 and 717,400,792,016.79 is: 990,044,213,312.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,464,273,240.10 : 1,787,796,893,378 = 717,400,792,016.79 : x
  2. Step 2: Convert to fraction form
    1,295,464,273,240.10/1,787,796,893,378 = 717,400,792,016.79/x
  3. Step 3: Cross multiply
    1,295,464,273,240.10x = 1,787,796,893,378 × 717,400,792,016.79
  4. Step 4: Simplify right side
    1,295,464,273,240.10x = 1,282,566,907,274,534,047,449,088
  5. Step 5: Solve for x
    x = 1,282,566,907,274,534,047,449,088/1,295,464,273,240.10
  6. Step 6: Final answer
    x = 990,044,213,312.57

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Why These Related Problems?

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