Home / 3,540,439,911.78-4,885,679,098.31-1,954,497,883.97

Finding the Fourth Proportional to 3,540,439,911.78, 4,885,679,098.31 and 1,954,497,883.97

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Solution

The fourth proportional to 3,540,439,911.78, 4,885,679,098.31 and 1,954,497,883.97 is: 2,697,136,428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540,439,911.78 : 4,885,679,098.31 = 1,954,497,883.97 : x
  2. Step 2: Convert to fraction form
    3,540,439,911.78/4,885,679,098.31 = 1,954,497,883.97/x
  3. Step 3: Cross multiply
    3,540,439,911.78x = 4,885,679,098.31 × 1,954,497,883.97
  4. Step 4: Simplify right side
    3,540,439,911.78x = 9,549,049,459,406,184,448
  5. Step 5: Solve for x
    x = 9,549,049,459,406,184,448/3,540,439,911.78
  6. Step 6: Final answer
    x = 2,697,136,428.62

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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.