Home / 785,386,420.97-1,083,836,546.03-432,954,675.77

Finding the Fourth Proportional to 785,386,420.97, 1,083,836,546.03 and 432,954,675.77

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Solution

The fourth proportional to 785,386,420.97, 1,083,836,546.03 and 432,954,675.77 is: 597,479,263.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,386,420.97 : 1,083,836,546.03 = 432,954,675.77 : x
  2. Step 2: Convert to fraction form
    785,386,420.97/1,083,836,546.03 = 432,954,675.77/x
  3. Step 3: Cross multiply
    785,386,420.97x = 1,083,836,546.03 × 432,954,675.77
  4. Step 4: Simplify right side
    785,386,420.97x = 469,252,100,369,758,528
  5. Step 5: Solve for x
    x = 469,252,100,369,758,528/785,386,420.97
  6. Step 6: Final answer
    x = 597,479,263.51

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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.