Home / 1,208,995,198.92-1,813,486,820.58-472,139,932.32

Finding the Fourth Proportional to 1,208,995,198.92, 1,813,486,820.58 and 472,139,932.32

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Solution

The fourth proportional to 1,208,995,198.92, 1,813,486,820.58 and 472,139,932.32 is: 708,207,564.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,995,198.92 : 1,813,486,820.58 = 472,139,932.32 : x
  2. Step 2: Convert to fraction form
    1,208,995,198.92/1,813,486,820.58 = 472,139,932.32/x
  3. Step 3: Cross multiply
    1,208,995,198.92x = 1,813,486,820.58 × 472,139,932.32
  4. Step 4: Simplify right side
    1,208,995,198.92x = 856,219,544,731,853,184
  5. Step 5: Solve for x
    x = 856,219,544,731,853,184/1,208,995,198.92
  6. Step 6: Final answer
    x = 708,207,564.01

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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.