Home / 1,318,755,858.06-1,819,886,665.10-724,078,860.32

Finding the Fourth Proportional to 1,318,755,858.06, 1,819,886,665.10 and 724,078,860.32

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Solution

The fourth proportional to 1,318,755,858.06, 1,819,886,665.10 and 724,078,860.32 is: 999,230,793.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,755,858.06 : 1,819,886,665.10 = 724,078,860.32 : x
  2. Step 2: Convert to fraction form
    1,318,755,858.06/1,819,886,665.10 = 724,078,860.32/x
  3. Step 3: Cross multiply
    1,318,755,858.06x = 1,819,886,665.10 × 724,078,860.32
  4. Step 4: Simplify right side
    1,318,755,858.06x = 1,317,741,462,377,173,504
  5. Step 5: Solve for x
    x = 1,317,741,462,377,173,504/1,318,755,858.06
  6. Step 6: Final answer
    x = 999,230,793.42

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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.