Home / 1,245,765,326.69-1,868,833,799.53-458,758,466.82

Finding the Fourth Proportional to 1,245,765,326.69, 1,868,833,799.53 and 458,758,466.82

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Solution

The fourth proportional to 1,245,765,326.69, 1,868,833,799.53 and 458,758,466.82 is: 688,206,125.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,765,326.69 : 1,868,833,799.53 = 458,758,466.82 : x
  2. Step 2: Convert to fraction form
    1,245,765,326.69/1,868,833,799.53 = 458,758,466.82/x
  3. Step 3: Cross multiply
    1,245,765,326.69x = 1,868,833,799.53 × 458,758,466.82
  4. Step 4: Simplify right side
    1,245,765,326.69x = 857,343,328,612,585,216
  5. Step 5: Solve for x
    x = 857,343,328,612,585,216/1,245,765,326.69
  6. Step 6: Final answer
    x = 688,206,125.38

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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.