Home / 785,065,822.41-1,083,359,292.63-427,826,013.11

Finding the Fourth Proportional to 785,065,822.41, 1,083,359,292.63 and 427,826,013.11

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Solution

The fourth proportional to 785,065,822.41, 1,083,359,292.63 and 427,826,013.11 is: 590,382,708.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,065,822.41 : 1,083,359,292.63 = 427,826,013.11 : x
  2. Step 2: Convert to fraction form
    785,065,822.41/1,083,359,292.63 = 427,826,013.11/x
  3. Step 3: Cross multiply
    785,065,822.41x = 1,083,359,292.63 × 427,826,013.11
  4. Step 4: Simplify right side
    785,065,822.41x = 463,489,286,926,145,984
  5. Step 5: Solve for x
    x = 463,489,286,926,145,984/785,065,822.41
  6. Step 6: Final answer
    x = 590,382,708.93

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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.