Home / 2,019,928,465.11-3,030,181,864.02-621,030,198.15

Finding the Fourth Proportional to 2,019,928,465.11, 3,030,181,864.02 and 621,030,198.15

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Solution

The fourth proportional to 2,019,928,465.11, 3,030,181,864.02 and 621,030,198.15 is: 931,634,201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,928,465.11 : 3,030,181,864.02 = 621,030,198.15 : x
  2. Step 2: Convert to fraction form
    2,019,928,465.11/3,030,181,864.02 = 621,030,198.15/x
  3. Step 3: Cross multiply
    2,019,928,465.11x = 3,030,181,864.02 × 621,030,198.15
  4. Step 4: Simplify right side
    2,019,928,465.11x = 1,881,834,443,442,876,928
  5. Step 5: Solve for x
    x = 1,881,834,443,442,876,928/2,019,928,465.11
  6. Step 6: Final answer
    x = 931,634,201.88

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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.