Home / 818,374,163.10-1,228,337,325.72-506,538,503.64

Finding the Fourth Proportional to 818,374,163.10, 1,228,337,325.72 and 506,538,503.64

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Solution

The fourth proportional to 818,374,163.10, 1,228,337,325.72 and 506,538,503.64 is: 760,288,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,374,163.10 : 1,228,337,325.72 = 506,538,503.64 : x
  2. Step 2: Convert to fraction form
    818,374,163.10/1,228,337,325.72 = 506,538,503.64/x
  3. Step 3: Cross multiply
    818,374,163.10x = 1,228,337,325.72 × 506,538,503.64
  4. Step 4: Simplify right side
    818,374,163.10x = 622,200,150,935,368,064
  5. Step 5: Solve for x
    x = 622,200,150,935,368,064/818,374,163.10
  6. Step 6: Final answer
    x = 760,288,116.35

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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.