Home / 12,557,827,686.78-18,839,499,688.40-3,713,977,050.84

Finding the Fourth Proportional to 12,557,827,686.78, 18,839,499,688.40 and 3,713,977,050.84

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Solution

The fourth proportional to 12,557,827,686.78, 18,839,499,688.40 and 3,713,977,050.84 is: 5,571,781,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557,827,686.78 : 18,839,499,688.40 = 3,713,977,050.84 : x
  2. Step 2: Convert to fraction form
    12,557,827,686.78/18,839,499,688.40 = 3,713,977,050.84/x
  3. Step 3: Cross multiply
    12,557,827,686.78x = 18,839,499,688.40 × 3,713,977,050.84
  4. Step 4: Simplify right side
    12,557,827,686.78x = 69,969,469,492,006,363,136
  5. Step 5: Solve for x
    x = 69,969,469,492,006,363,136/12,557,827,686.78
  6. Step 6: Final answer
    x = 5,571,781,301.45

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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.