Home / 1,090,051,117.70-1,633,128,059.55-663,363,043.70

Finding the Fourth Proportional to 1,090,051,117.70, 1,633,128,059.55 and 663,363,043.70

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Solution

The fourth proportional to 1,090,051,117.70, 1,633,128,059.55 and 663,363,043.70 is: 993,858,712.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,051,117.70 : 1,633,128,059.55 = 663,363,043.70 : x
  2. Step 2: Convert to fraction form
    1,090,051,117.70/1,633,128,059.55 = 663,363,043.70/x
  3. Step 3: Cross multiply
    1,090,051,117.70x = 1,633,128,059.55 × 663,363,043.70
  4. Step 4: Simplify right side
    1,090,051,117.70x = 1,083,356,800,334,962,944
  5. Step 5: Solve for x
    x = 1,083,356,800,334,962,944/1,090,051,117.70
  6. Step 6: Final answer
    x = 993,858,712.44

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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.