Home / 785,065,821.44-1,083,359,291.29-427,826,012.13

Finding the Fourth Proportional to 785,065,821.44, 1,083,359,291.29 and 427,826,012.13

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Solution

The fourth proportional to 785,065,821.44, 1,083,359,291.29 and 427,826,012.13 is: 590,382,707.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,065,821.44 : 1,083,359,291.29 = 427,826,012.13 : x
  2. Step 2: Convert to fraction form
    785,065,821.44/1,083,359,291.29 = 427,826,012.13/x
  3. Step 3: Cross multiply
    785,065,821.44x = 1,083,359,291.29 × 427,826,012.13
  4. Step 4: Simplify right side
    785,065,821.44x = 463,489,285,293,678,656
  5. Step 5: Solve for x
    x = 463,489,285,293,678,656/785,065,821.44
  6. Step 6: Final answer
    x = 590,382,707.59

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1.5x scale

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.