Home / 1,645,265,091.82-2,270,470,227.61-892,578,267.32

Finding the Fourth Proportional to 1,645,265,091.82, 2,270,470,227.61 and 892,578,267.32

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Solution

The fourth proportional to 1,645,265,091.82, 2,270,470,227.61 and 892,578,267.32 is: 1,231,760,396.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,265,091.82 : 2,270,470,227.61 = 892,578,267.32 : x
  2. Step 2: Convert to fraction form
    1,645,265,091.82/2,270,470,227.61 = 892,578,267.32/x
  3. Step 3: Cross multiply
    1,645,265,091.82x = 2,270,470,227.61 × 892,578,267.32
  4. Step 4: Simplify right side
    1,645,265,091.82x = 2,026,572,381,761,779,968
  5. Step 5: Solve for x
    x = 2,026,572,381,761,779,968/1,645,265,091.82
  6. Step 6: Final answer
    x = 1,231,760,396.45

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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.