Home / 785,386,421.97-1,083,836,547.41-432,954,676.77

Finding the Fourth Proportional to 785,386,421.97, 1,083,836,547.41 and 432,954,676.77

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Solution

The fourth proportional to 785,386,421.97, 1,083,836,547.41 and 432,954,676.77 is: 597,479,264.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,386,421.97 : 1,083,836,547.41 = 432,954,676.77 : x
  2. Step 2: Convert to fraction form
    785,386,421.97/1,083,836,547.41 = 432,954,676.77/x
  3. Step 3: Cross multiply
    785,386,421.97x = 1,083,836,547.41 × 432,954,676.77
  4. Step 4: Simplify right side
    785,386,421.97x = 469,252,102,055,409,344
  5. Step 5: Solve for x
    x = 469,252,102,055,409,344/785,386,421.97
  6. Step 6: Final answer
    x = 597,479,264.89

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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.