Home / 671,798,015.40-1,007,625,386.70-235,107,040.80

Finding the Fourth Proportional to 671,798,015.40, 1,007,625,386.70 and 235,107,040.80

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Solution

The fourth proportional to 671,798,015.40, 1,007,625,386.70 and 235,107,040.80 is: 352,635,490.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,798,015.40 : 1,007,625,386.70 = 235,107,040.80 : x
  2. Step 2: Convert to fraction form
    671,798,015.40/1,007,625,386.70 = 235,107,040.80/x
  3. Step 3: Cross multiply
    671,798,015.40x = 1,007,625,386.70 × 235,107,040.80
  4. Step 4: Simplify right side
    671,798,015.40x = 236,899,822,901,992,704
  5. Step 5: Solve for x
    x = 236,899,822,901,992,704/671,798,015.40
  6. Step 6: Final answer
    x = 352,635,490.83

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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.