Home / 1,106,085,264.76-1,657,968,965.64-515,388,505.76

Finding the Fourth Proportional to 1,106,085,264.76, 1,657,968,965.64 and 515,388,505.76

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Solution

The fourth proportional to 1,106,085,264.76, 1,657,968,965.64 and 515,388,505.76 is: 772,542,746.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,085,264.76 : 1,657,968,965.64 = 515,388,505.76 : x
  2. Step 2: Convert to fraction form
    1,106,085,264.76/1,657,968,965.64 = 515,388,505.76/x
  3. Step 3: Cross multiply
    1,106,085,264.76x = 1,657,968,965.64 × 515,388,505.76
  4. Step 4: Simplify right side
    1,106,085,264.76x = 854,498,147,797,652,480
  5. Step 5: Solve for x
    x = 854,498,147,797,652,480/1,106,085,264.76
  6. Step 6: Final answer
    x = 772,542,746.05

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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.