Home / 1,910,190,815.73-2,865,870,983.70-978,173,566.74

Finding the Fourth Proportional to 1,910,190,815.73, 2,865,870,983.70 and 978,173,566.74

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Solution

The fourth proportional to 1,910,190,815.73, 2,865,870,983.70 and 978,173,566.74 is: 1,467,559,795.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,190,815.73 : 2,865,870,983.70 = 978,173,566.74 : x
  2. Step 2: Convert to fraction form
    1,910,190,815.73/2,865,870,983.70 = 978,173,566.74/x
  3. Step 3: Cross multiply
    1,910,190,815.73x = 2,865,870,983.70 × 978,173,566.74
  4. Step 4: Simplify right side
    1,910,190,815.73x = 2,803,319,241,942,501,376
  5. Step 5: Solve for x
    x = 2,803,319,241,942,501,376/1,910,190,815.73
  6. Step 6: Final answer
    x = 1,467,559,795.00

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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.