Home / 510,968,595,208.95-705,353,779,100.15-318,375,922,608.64

Finding the Fourth Proportional to 510,968,595,208.95, 705,353,779,100.15 and 318,375,922,608.64

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Solution

The fourth proportional to 510,968,595,208.95, 705,353,779,100.15 and 318,375,922,608.64 is: 439,494,055,588.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,968,595,208.95 : 705,353,779,100.15 = 318,375,922,608.64 : x
  2. Step 2: Convert to fraction form
    510,968,595,208.95/705,353,779,100.15 = 318,375,922,608.64/x
  3. Step 3: Cross multiply
    510,968,595,208.95x = 705,353,779,100.15 × 318,375,922,608.64
  4. Step 4: Simplify right side
    510,968,595,208.95x = 224,567,660,186,501,132,582,912
  5. Step 5: Solve for x
    x = 224,567,660,186,501,132,582,912/510,968,595,208.95
  6. Step 6: Final answer
    x = 439,494,055,588.03

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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.