Home / 851,191,814.09-1,174,499,230.48-493,877,677.25

Finding the Fourth Proportional to 851,191,814.09, 1,174,499,230.48 and 493,877,677.25

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Solution

The fourth proportional to 851,191,814.09, 1,174,499,230.48 and 493,877,677.25 is: 681,466,788.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,191,814.09 : 1,174,499,230.48 = 493,877,677.25 : x
  2. Step 2: Convert to fraction form
    851,191,814.09/1,174,499,230.48 = 493,877,677.25/x
  3. Step 3: Cross multiply
    851,191,814.09x = 1,174,499,230.48 × 493,877,677.25
  4. Step 4: Simplify right side
    851,191,814.09x = 580,058,951,874,267,648
  5. Step 5: Solve for x
    x = 580,058,951,874,267,648/851,191,814.09
  6. Step 6: Final answer
    x = 681,466,788.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.