Home / 1,318,755,949.92-1,819,886,792.04-724,078,952.19

Finding the Fourth Proportional to 1,318,755,949.92, 1,819,886,792.04 and 724,078,952.19

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Solution

The fourth proportional to 1,318,755,949.92, 1,819,886,792.04 and 724,078,952.19 is: 999,230,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,755,949.92 : 1,819,886,792.04 = 724,078,952.19 : x
  2. Step 2: Convert to fraction form
    1,318,755,949.92/1,819,886,792.04 = 724,078,952.19/x
  3. Step 3: Cross multiply
    1,318,755,949.92x = 1,819,886,792.04 × 724,078,952.19
  4. Step 4: Simplify right side
    1,318,755,949.92x = 1,317,741,721,484,743,680
  5. Step 5: Solve for x
    x = 1,317,741,721,484,743,680/1,318,755,949.92
  6. Step 6: Final answer
    x = 999,230,920.30

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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.