Home / 1,920,197,869.70-2,880,296,804.55-1,839,576,301.70

Finding the Fourth Proportional to 1,920,197,869.70, 2,880,296,804.55 and 1,839,576,301.70

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Solution

The fourth proportional to 1,920,197,869.70, 2,880,296,804.55 and 1,839,576,301.70 is: 2,759,364,452.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,197,869.70 : 2,880,296,804.55 = 1,839,576,301.70 : x
  2. Step 2: Convert to fraction form
    1,920,197,869.70/2,880,296,804.55 = 1,839,576,301.70/x
  3. Step 3: Cross multiply
    1,920,197,869.70x = 2,880,296,804.55 × 1,839,576,301.70
  4. Step 4: Simplify right side
    1,920,197,869.70x = 5,298,525,743,512,417,280
  5. Step 5: Solve for x
    x = 5,298,525,743,512,417,280/1,920,197,869.70
  6. Step 6: Final answer
    x = 2,759,364,452.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.