Home / 5,199,510,918.80-7,175,325,068.08-2,971,890,937.28

Finding the Fourth Proportional to 5,199,510,918.80, 7,175,325,068.08 and 2,971,890,937.28

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Solution

The fourth proportional to 5,199,510,918.80, 7,175,325,068.08 and 2,971,890,937.28 is: 4,101,209,493.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199,510,918.80 : 7,175,325,068.08 = 2,971,890,937.28 : x
  2. Step 2: Convert to fraction form
    5,199,510,918.80/7,175,325,068.08 = 2,971,890,937.28/x
  3. Step 3: Cross multiply
    5,199,510,918.80x = 7,175,325,068.08 × 2,971,890,937.28
  4. Step 4: Simplify right side
    5,199,510,918.80x = 21,324,283,541,864,951,808
  5. Step 5: Solve for x
    x = 21,324,283,541,864,951,808/5,199,510,918.80
  6. Step 6: Final answer
    x = 4,101,209,493.52

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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.