Home / 5,199,850,391.16-7,175,807,448.30-2,820,988,328.52

Finding the Fourth Proportional to 5,199,850,391.16, 7,175,807,448.30 and 2,820,988,328.52

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Solution

The fourth proportional to 5,199,850,391.16, 7,175,807,448.30 and 2,820,988,328.52 is: 3,892,971,438.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199,850,391.16 : 7,175,807,448.30 = 2,820,988,328.52 : x
  2. Step 2: Convert to fraction form
    5,199,850,391.16/7,175,807,448.30 = 2,820,988,328.52/x
  3. Step 3: Cross multiply
    5,199,850,391.16x = 7,175,807,448.30 × 2,820,988,328.52
  4. Step 4: Simplify right side
    5,199,850,391.16x = 20,242,869,059,361,181,696
  5. Step 5: Solve for x
    x = 20,242,869,059,361,181,696/5,199,850,391.16
  6. Step 6: Final answer
    x = 3,892,971,438.90

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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.