Home / 2,820,425,886.09-3,888,085,592.57-1,971,016,037.55

Finding the Fourth Proportional to 2,820,425,886.09, 3,888,085,592.57 and 1,971,016,037.55

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Solution

The fourth proportional to 2,820,425,886.09, 3,888,085,592.57 and 1,971,016,037.55 is: 2,717,135,414.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,425,886.09 : 3,888,085,592.57 = 1,971,016,037.55 : x
  2. Step 2: Convert to fraction form
    2,820,425,886.09/3,888,085,592.57 = 1,971,016,037.55/x
  3. Step 3: Cross multiply
    2,820,425,886.09x = 3,888,085,592.57 × 1,971,016,037.55
  4. Step 4: Simplify right side
    2,820,425,886.09x = 7,663,479,058,312,710,144
  5. Step 5: Solve for x
    x = 7,663,479,058,312,710,144/2,820,425,886.09
  6. Step 6: Final answer
    x = 2,717,135,414.23

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1.5x scale

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.