Home / 1,144,811,376.56-1,579,853,888.52-643,129,743.35

Finding the Fourth Proportional to 1,144,811,376.56, 1,579,853,888.52 and 643,129,743.35

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Solution

The fourth proportional to 1,144,811,376.56, 1,579,853,888.52 and 643,129,743.35 is: 887,527,016.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,811,376.56 : 1,579,853,888.52 = 643,129,743.35 : x
  2. Step 2: Convert to fraction form
    1,144,811,376.56/1,579,853,888.52 = 643,129,743.35/x
  3. Step 3: Cross multiply
    1,144,811,376.56x = 1,579,853,888.52 × 643,129,743.35
  4. Step 4: Simplify right side
    1,144,811,376.56x = 1,016,051,025,854,367,104
  5. Step 5: Solve for x
    x = 1,016,051,025,854,367,104/1,144,811,376.56
  6. Step 6: Final answer
    x = 887,527,016.82

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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.