Home / 851,575,870.38-1,277,579,552.58-261,396,031.26

Finding the Fourth Proportional to 851,575,870.38, 1,277,579,552.58 and 261,396,031.26

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Solution

The fourth proportional to 851,575,870.38, 1,277,579,552.58 and 261,396,031.26 is: 392,160,271.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,575,870.38 : 1,277,579,552.58 = 261,396,031.26 : x
  2. Step 2: Convert to fraction form
    851,575,870.38/1,277,579,552.58 = 261,396,031.26/x
  3. Step 3: Cross multiply
    851,575,870.38x = 1,277,579,552.58 × 261,396,031.26
  4. Step 4: Simplify right side
    851,575,870.38x = 333,954,224,663,338,432
  5. Step 5: Solve for x
    x = 333,954,224,663,338,432/851,575,870.38
  6. Step 6: Final answer
    x = 392,160,271.66

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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.