Home / 911,166,415.16-1,367,247,181.98-386,453,899.40

Finding the Fourth Proportional to 911,166,415.16, 1,367,247,181.98 and 386,453,899.40

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Solution

The fourth proportional to 911,166,415.16, 1,367,247,181.98 and 386,453,899.40 is: 579,891,879.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,166,415.16 : 1,367,247,181.98 = 386,453,899.40 : x
  2. Step 2: Convert to fraction form
    911,166,415.16/1,367,247,181.98 = 386,453,899.40/x
  3. Step 3: Cross multiply
    911,166,415.16x = 1,367,247,181.98 × 386,453,899.40
  4. Step 4: Simplify right side
    911,166,415.16x = 528,378,004,919,832,384
  5. Step 5: Solve for x
    x = 528,378,004,919,832,384/911,166,415.16
  6. Step 6: Final answer
    x = 579,891,879.39

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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.