Home / 1,865,978,104.32-2,798,977,619.76-622,405,154.28

Finding the Fourth Proportional to 1,865,978,104.32, 2,798,977,619.76 and 622,405,154.28

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Solution

The fourth proportional to 1,865,978,104.32, 2,798,977,619.76 and 622,405,154.28 is: 933,611,221.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,978,104.32 : 2,798,977,619.76 = 622,405,154.28 : x
  2. Step 2: Convert to fraction form
    1,865,978,104.32/2,798,977,619.76 = 622,405,154.28/x
  3. Step 3: Cross multiply
    1,865,978,104.32x = 2,798,977,619.76 × 622,405,154.28
  4. Step 4: Simplify right side
    1,865,978,104.32x = 1,742,098,097,252,989,952
  5. Step 5: Solve for x
    x = 1,742,098,097,252,989,952/1,865,978,104.32
  6. Step 6: Final answer
    x = 933,611,221.49

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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.