Home / 5,199,849,984.04-7,175,806,886.64-2,820,987,921.40

Finding the Fourth Proportional to 5,199,849,984.04, 7,175,806,886.64 and 2,820,987,921.40

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Solution

The fourth proportional to 5,199,849,984.04, 7,175,806,886.64 and 2,820,987,921.40 is: 3,892,970,877.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199,849,984.04 : 7,175,806,886.64 = 2,820,987,921.40 : x
  2. Step 2: Convert to fraction form
    5,199,849,984.04/7,175,806,886.64 = 2,820,987,921.40/x
  3. Step 3: Cross multiply
    5,199,849,984.04x = 7,175,806,886.64 × 2,820,987,921.40
  4. Step 4: Simplify right side
    5,199,849,984.04x = 20,242,864,553,510,379,520
  5. Step 5: Solve for x
    x = 20,242,864,553,510,379,520/5,199,849,984.04
  6. Step 6: Final answer
    x = 3,892,970,877.17

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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.