Home / 510,968,595,209.95-705,353,779,101.53-318,375,922,609.64

Finding the Fourth Proportional to 510,968,595,209.95, 705,353,779,101.53 and 318,375,922,609.64

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Solution

The fourth proportional to 510,968,595,209.95, 705,353,779,101.53 and 318,375,922,609.64 is: 439,494,055,589.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,968,595,209.95 : 705,353,779,101.53 = 318,375,922,609.64 : x
  2. Step 2: Convert to fraction form
    510,968,595,209.95/705,353,779,101.53 = 318,375,922,609.64/x
  3. Step 3: Cross multiply
    510,968,595,209.95x = 705,353,779,101.53 × 318,375,922,609.64
  4. Step 4: Simplify right side
    510,968,595,209.95x = 224,567,660,187,645,842,030,592
  5. Step 5: Solve for x
    x = 224,567,660,187,645,842,030,592/510,968,595,209.95
  6. Step 6: Final answer
    x = 439,494,055,589.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.