Home / 1,559,878,212.70-2,149,014,087.48-1,089,234,063.10

Finding the Fourth Proportional to 1,559,878,212.70, 2,149,014,087.48 and 1,089,234,063.10

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Solution

The fourth proportional to 1,559,878,212.70, 2,149,014,087.48 and 1,089,234,063.10 is: 1,500,616,732.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,878,212.70 : 2,149,014,087.48 = 1,089,234,063.10 : x
  2. Step 2: Convert to fraction form
    1,559,878,212.70/2,149,014,087.48 = 1,089,234,063.10/x
  3. Step 3: Cross multiply
    1,559,878,212.70x = 2,149,014,087.48 × 1,089,234,063.10
  4. Step 4: Simplify right side
    1,559,878,212.70x = 2,340,779,346,164,979,200
  5. Step 5: Solve for x
    x = 2,340,779,346,164,979,200/1,559,878,212.70
  6. Step 6: Final answer
    x = 1,500,616,732.20

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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.