Home / 651,909,559.96-977,961,560.46-215,256,367

Finding the Fourth Proportional to 651,909,559.96, 977,961,560.46 and 215,256,367

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Solution

The fourth proportional to 651,909,559.96, 977,961,560.46 and 215,256,367 is: 322,916,652.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,909,559.96 : 977,961,560.46 = 215,256,367 : x
  2. Step 2: Convert to fraction form
    651,909,559.96/977,961,560.46 = 215,256,367/x
  3. Step 3: Cross multiply
    651,909,559.96x = 977,961,560.46 × 215,256,367
  4. Step 4: Simplify right side
    651,909,559.96x = 210,512,452,570,270,464
  5. Step 5: Solve for x
    x = 210,512,452,570,270,464/651,909,559.96
  6. Step 6: Final answer
    x = 322,916,652.09

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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.