Home / 1,645,303,982.64-2,270,523,808.31-892,617,119.57

Finding the Fourth Proportional to 1,645,303,982.64, 2,270,523,808.31 and 892,617,119.57

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Solution

The fourth proportional to 1,645,303,982.64, 2,270,523,808.31 and 892,617,119.57 is: 1,231,813,964.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,303,982.64 : 2,270,523,808.31 = 892,617,119.57 : x
  2. Step 2: Convert to fraction form
    1,645,303,982.64/2,270,523,808.31 = 892,617,119.57/x
  3. Step 3: Cross multiply
    1,645,303,982.64x = 2,270,523,808.31 × 892,617,119.57
  4. Step 4: Simplify right side
    1,645,303,982.64x = 2,026,708,421,672,963,328
  5. Step 5: Solve for x
    x = 2,026,708,421,672,963,328/1,645,303,982.64
  6. Step 6: Final answer
    x = 1,231,813,964.51

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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.