Home / 1,558,686,895.40-2,150,988,319.68-853,863,933.36

Finding the Fourth Proportional to 1,558,686,895.40, 2,150,988,319.68 and 853,863,933.36

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Solution

The fourth proportional to 1,558,686,895.40, 2,150,988,319.68 and 853,863,933.36 is: 1,178,332,449.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,686,895.40 : 2,150,988,319.68 = 853,863,933.36 : x
  2. Step 2: Convert to fraction form
    1,558,686,895.40/2,150,988,319.68 = 853,863,933.36/x
  3. Step 3: Cross multiply
    1,558,686,895.40x = 2,150,988,319.68 × 853,863,933.36
  4. Step 4: Simplify right side
    1,558,686,895.40x = 1,836,651,347,253,381,888
  5. Step 5: Solve for x
    x = 1,836,651,347,253,381,888/1,558,686,895.40
  6. Step 6: Final answer
    x = 1,178,332,449.37

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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.