Home / 1,645,303,980-2,270,523,804.16-892,617,116.64

Finding the Fourth Proportional to 1,645,303,980, 2,270,523,804.16 and 892,617,116.64

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Solution

The fourth proportional to 1,645,303,980, 2,270,523,804.16 and 892,617,116.64 is: 1,231,813,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,303,980 : 2,270,523,804.16 = 892,617,116.64 : x
  2. Step 2: Convert to fraction form
    1,645,303,980/2,270,523,804.16 = 892,617,116.64/x
  3. Step 3: Cross multiply
    1,645,303,980x = 2,270,523,804.16 × 892,617,116.64
  4. Step 4: Simplify right side
    1,645,303,980x = 2,026,708,411,331,783,168
  5. Step 5: Solve for x
    x = 2,026,708,411,331,783,168/1,645,303,980
  6. Step 6: Final answer
    x = 1,231,813,960.20

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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.