Home / 1,090,051,117.20-1,633,128,058.80-663,363,043.20

Finding the Fourth Proportional to 1,090,051,117.20, 1,633,128,058.80 and 663,363,043.20

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Solution

The fourth proportional to 1,090,051,117.20, 1,633,128,058.80 and 663,363,043.20 is: 993,858,711.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,051,117.20 : 1,633,128,058.80 = 663,363,043.20 : x
  2. Step 2: Convert to fraction form
    1,090,051,117.20/1,633,128,058.80 = 663,363,043.20/x
  3. Step 3: Cross multiply
    1,090,051,117.20x = 1,633,128,058.80 × 663,363,043.20
  4. Step 4: Simplify right side
    1,090,051,117.20x = 1,083,356,799,020,876,544
  5. Step 5: Solve for x
    x = 1,083,356,799,020,876,544/1,090,051,117.20
  6. Step 6: Final answer
    x = 993,858,711.69

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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.