Home / 510,607,430.10-764,777,404.35-419,908,166.10

Finding the Fourth Proportional to 510,607,430.10, 764,777,404.35 and 419,908,166.10

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Solution

The fourth proportional to 510,607,430.10, 764,777,404.35 and 419,908,166.10 is: 628,929,894.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,607,430.10 : 764,777,404.35 = 419,908,166.10 : x
  2. Step 2: Convert to fraction form
    510,607,430.10/764,777,404.35 = 419,908,166.10/x
  3. Step 3: Cross multiply
    510,607,430.10x = 764,777,404.35 × 419,908,166.10
  4. Step 4: Simplify right side
    510,607,430.10x = 321,136,277,335,326,720
  5. Step 5: Solve for x
    x = 321,136,277,335,326,720/510,607,430.10
  6. Step 6: Final answer
    x = 628,929,894.88

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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.