Home / 2,839,154,005.82-4,254,924,268.63-2,209,646,207.15

Finding the Fourth Proportional to 2,839,154,005.82, 4,254,924,268.63 and 2,209,646,207.15

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Solution

The fourth proportional to 2,839,154,005.82, 4,254,924,268.63 and 2,209,646,207.15 is: 3,311,506,615.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839,154,005.82 : 4,254,924,268.63 = 2,209,646,207.15 : x
  2. Step 2: Convert to fraction form
    2,839,154,005.82/4,254,924,268.63 = 2,209,646,207.15/x
  3. Step 3: Cross multiply
    2,839,154,005.82x = 4,254,924,268.63 × 2,209,646,207.15
  4. Step 4: Simplify right side
    2,839,154,005.82x = 9,401,877,271,885,887,488
  5. Step 5: Solve for x
    x = 9,401,877,271,885,887,488/2,839,154,005.82
  6. Step 6: Final answer
    x = 3,311,506,615.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.