Home / 5,199,849,968.02-7,175,806,864.50-2,820,987,905.38

Finding the Fourth Proportional to 5,199,849,968.02, 7,175,806,864.50 and 2,820,987,905.38

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Solution

The fourth proportional to 5,199,849,968.02, 7,175,806,864.50 and 2,820,987,905.38 is: 3,892,970,855.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199,849,968.02 : 7,175,806,864.50 = 2,820,987,905.38 : x
  2. Step 2: Convert to fraction form
    5,199,849,968.02/7,175,806,864.50 = 2,820,987,905.38/x
  3. Step 3: Cross multiply
    5,199,849,968.02x = 7,175,806,864.50 × 2,820,987,905.38
  4. Step 4: Simplify right side
    5,199,849,968.02x = 20,242,864,376,090,214,400
  5. Step 5: Solve for x
    x = 20,242,864,376,090,214,400/5,199,849,968.02
  6. Step 6: Final answer
    x = 3,892,970,855.04

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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.