Home / 660,298,682.40-988,096,561.20-574,974,189.60

Finding the Fourth Proportional to 660,298,682.40, 988,096,561.20 and 574,974,189.60

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Solution

The fourth proportional to 660,298,682.40, 988,096,561.20 and 574,974,189.60 is: 860,413,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,298,682.40 : 988,096,561.20 = 574,974,189.60 : x
  2. Step 2: Convert to fraction form
    660,298,682.40/988,096,561.20 = 574,974,189.60/x
  3. Step 3: Cross multiply
    660,298,682.40x = 988,096,561.20 × 574,974,189.60
  4. Step 4: Simplify right side
    660,298,682.40x = 568,130,019,522,516,864
  5. Step 5: Solve for x
    x = 568,130,019,522,516,864/660,298,682.40
  6. Step 6: Final answer
    x = 860,413,680.45

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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.