Home / 2,428,788,655.77-3,643,405,316.06-681,979,621.29

Finding the Fourth Proportional to 2,428,788,655.77, 3,643,405,316.06 and 681,979,621.29

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Solution

The fourth proportional to 2,428,788,655.77, 3,643,405,316.06 and 681,979,621.29 is: 1,023,031,860.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,788,655.77 : 3,643,405,316.06 = 681,979,621.29 : x
  2. Step 2: Convert to fraction form
    2,428,788,655.77/3,643,405,316.06 = 681,979,621.29/x
  3. Step 3: Cross multiply
    2,428,788,655.77x = 3,643,405,316.06 × 681,979,621.29
  4. Step 4: Simplify right side
    2,428,788,655.77x = 2,484,728,177,652,571,136
  5. Step 5: Solve for x
    x = 2,484,728,177,652,571,136/2,428,788,655.77
  6. Step 6: Final answer
    x = 1,023,031,860.66

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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.