Home / 1,019,918,816.15-1,530,190,448.51-522,281,676.60

Finding the Fourth Proportional to 1,019,918,816.15, 1,530,190,448.51 and 522,281,676.60

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Solution

The fourth proportional to 1,019,918,816.15, 1,530,190,448.51 and 522,281,676.60 is: 783,582,399.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,918,816.15 : 1,530,190,448.51 = 522,281,676.60 : x
  2. Step 2: Convert to fraction form
    1,019,918,816.15/1,530,190,448.51 = 522,281,676.60/x
  3. Step 3: Cross multiply
    1,019,918,816.15x = 1,530,190,448.51 × 522,281,676.60
  4. Step 4: Simplify right side
    1,019,918,816.15x = 799,190,432,962,497,408
  5. Step 5: Solve for x
    x = 799,190,432,962,497,408/1,019,918,816.15
  6. Step 6: Final answer
    x = 783,582,399.22

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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.