Home / 525,661,338.30-788,431,767.21-137,521,624.38

Finding the Fourth Proportional to 525,661,338.30, 788,431,767.21 and 137,521,624.38

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Solution

The fourth proportional to 525,661,338.30, 788,431,767.21 and 137,521,624.38 is: 206,266,676.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,661,338.30 : 788,431,767.21 = 137,521,624.38 : x
  2. Step 2: Convert to fraction form
    525,661,338.30/788,431,767.21 = 137,521,624.38/x
  3. Step 3: Cross multiply
    525,661,338.30x = 788,431,767.21 × 137,521,624.38
  4. Step 4: Simplify right side
    525,661,338.30x = 108,426,417,339,513,216
  5. Step 5: Solve for x
    x = 108,426,417,339,513,216/525,661,338.30
  6. Step 6: Final answer
    x = 206,266,676.74

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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.