Home / 5,199,850,424.16-7,175,807,493.84-2,820,988,361.52

Finding the Fourth Proportional to 5,199,850,424.16, 7,175,807,493.84 and 2,820,988,361.52

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Solution

The fourth proportional to 5,199,850,424.16, 7,175,807,493.84 and 2,820,988,361.52 is: 3,892,971,484.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199,850,424.16 : 7,175,807,493.84 = 2,820,988,361.52 : x
  2. Step 2: Convert to fraction form
    5,199,850,424.16/7,175,807,493.84 = 2,820,988,361.52/x
  3. Step 3: Cross multiply
    5,199,850,424.16x = 7,175,807,493.84 × 2,820,988,361.52
  4. Step 4: Simplify right side
    5,199,850,424.16x = 20,242,869,424,630,640,640
  5. Step 5: Solve for x
    x = 20,242,869,424,630,640,640/5,199,850,424.16
  6. Step 6: Final answer
    x = 3,892,971,484.44

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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.