Home / 1,645,303,884.24-2,270,523,672.02-892,617,020.78

Finding the Fourth Proportional to 1,645,303,884.24, 2,270,523,672.02 and 892,617,020.78

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Solution

The fourth proportional to 1,645,303,884.24, 2,270,523,672.02 and 892,617,020.78 is: 1,231,813,827.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,303,884.24 : 2,270,523,672.02 = 892,617,020.78 : x
  2. Step 2: Convert to fraction form
    1,645,303,884.24/2,270,523,672.02 = 892,617,020.78/x
  3. Step 3: Cross multiply
    1,645,303,884.24x = 2,270,523,672.02 × 892,617,020.78
  4. Step 4: Simplify right side
    1,645,303,884.24x = 2,026,708,075,728,958,208
  5. Step 5: Solve for x
    x = 2,026,708,075,728,958,208/1,645,303,884.24
  6. Step 6: Final answer
    x = 1,231,813,827.91

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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.