Home / 660,301,659.40-988,101,026.70-574,977,166.60

Finding the Fourth Proportional to 660,301,659.40, 988,101,026.70 and 574,977,166.60

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Solution

The fourth proportional to 660,301,659.40, 988,101,026.70 and 574,977,166.60 is: 860,418,144.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,301,659.40 : 988,101,026.70 = 574,977,166.60 : x
  2. Step 2: Convert to fraction form
    660,301,659.40/988,101,026.70 = 574,977,166.60/x
  3. Step 3: Cross multiply
    660,301,659.40x = 988,101,026.70 × 574,977,166.60
  4. Step 4: Simplify right side
    660,301,659.40x = 568,135,528,646,516,992
  5. Step 5: Solve for x
    x = 568,135,528,646,516,992/660,301,659.40
  6. Step 6: Final answer
    x = 860,418,144.58

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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.