Home / 7,870,643,419.20-11,805,965,128.80-2,054,553,115.20

Finding the Fourth Proportional to 7,870,643,419.20, 11,805,965,128.80 and 2,054,553,115.20

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Solution

The fourth proportional to 7,870,643,419.20, 11,805,965,128.80 and 2,054,553,115.20 is: 3,081,829,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870,643,419.20 : 11,805,965,128.80 = 2,054,553,115.20 : x
  2. Step 2: Convert to fraction form
    7,870,643,419.20/11,805,965,128.80 = 2,054,553,115.20/x
  3. Step 3: Cross multiply
    7,870,643,419.20x = 11,805,965,128.80 × 2,054,553,115.20
  4. Step 4: Simplify right side
    7,870,643,419.20x = 24,255,982,433,318,608,896
  5. Step 5: Solve for x
    x = 24,255,982,433,318,608,896/7,870,643,419.20
  6. Step 6: Final answer
    x = 3,081,829,672.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.