Home / 527,638,582.17-790,650,775.46-282,030,171.57

Finding the Fourth Proportional to 527,638,582.17, 790,650,775.46 and 282,030,171.57

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Solution

The fourth proportional to 527,638,582.17, 790,650,775.46 and 282,030,171.57 is: 422,613,852.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,638,582.17 : 790,650,775.46 = 282,030,171.57 : x
  2. Step 2: Convert to fraction form
    527,638,582.17/790,650,775.46 = 282,030,171.57/x
  3. Step 3: Cross multiply
    527,638,582.17x = 790,650,775.46 × 282,030,171.57
  4. Step 4: Simplify right side
    527,638,582.17x = 222,987,373,855,642,400
  5. Step 5: Solve for x
    x = 222,987,373,855,642,400/527,638,582.17
  6. Step 6: Final answer
    x = 422,613,852.34

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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.