Home / 1,318,755,860.06-1,819,886,667.86-724,078,862.32

Finding the Fourth Proportional to 1,318,755,860.06, 1,819,886,667.86 and 724,078,862.32

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Solution

The fourth proportional to 1,318,755,860.06, 1,819,886,667.86 and 724,078,862.32 is: 999,230,796.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,755,860.06 : 1,819,886,667.86 = 724,078,862.32 : x
  2. Step 2: Convert to fraction form
    1,318,755,860.06/1,819,886,667.86 = 724,078,862.32/x
  3. Step 3: Cross multiply
    1,318,755,860.06x = 1,819,886,667.86 × 724,078,862.32
  4. Step 4: Simplify right side
    1,318,755,860.06x = 1,317,741,468,015,404,544
  5. Step 5: Solve for x
    x = 1,317,741,468,015,404,544/1,318,755,860.06
  6. Step 6: Final answer
    x = 999,230,796.18

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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.