Home / 12,567,832,970-18,851,843,933.40-5,578,764,986.48

Finding the Fourth Proportional to 12,567,832,970, 18,851,843,933.40 and 5,578,764,986.48

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Solution

The fourth proportional to 12,567,832,970, 18,851,843,933.40 and 5,578,764,986.48 is: 8,368,189,417.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567,832,970 : 18,851,843,933.40 = 5,578,764,986.48 : x
  2. Step 2: Convert to fraction form
    12,567,832,970/18,851,843,933.40 = 5,578,764,986.48/x
  3. Step 3: Cross multiply
    12,567,832,970x = 18,851,843,933.40 × 5,578,764,986.48
  4. Step 4: Simplify right side
    12,567,832,970x = 105,170,006,866,237,325,312
  5. Step 5: Solve for x
    x = 105,170,006,866,237,325,312/12,567,832,970
  6. Step 6: Final answer
    x = 8,368,189,417.96

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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.