Home / 5,199,849,985.04-7,175,806,888.02-2,820,987,922.40

Finding the Fourth Proportional to 5,199,849,985.04, 7,175,806,888.02 and 2,820,987,922.40

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Solution

The fourth proportional to 5,199,849,985.04, 7,175,806,888.02 and 2,820,987,922.40 is: 3,892,970,878.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199,849,985.04 : 7,175,806,888.02 = 2,820,987,922.40 : x
  2. Step 2: Convert to fraction form
    5,199,849,985.04/7,175,806,888.02 = 2,820,987,922.40/x
  3. Step 3: Cross multiply
    5,199,849,985.04x = 7,175,806,888.02 × 2,820,987,922.40
  4. Step 4: Simplify right side
    5,199,849,985.04x = 20,242,864,564,579,151,872
  5. Step 5: Solve for x
    x = 20,242,864,564,579,151,872/5,199,849,985.04
  6. Step 6: Final answer
    x = 3,892,970,878.55

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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.