Home / 889,486,082.40-1,331,397,968.40-634,682,114.40

Finding the Fourth Proportional to 889,486,082.40, 1,331,397,968.40 and 634,682,114.40

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Solution

The fourth proportional to 889,486,082.40, 1,331,397,968.40 and 634,682,114.40 is: 950,003,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,486,082.40 : 1,331,397,968.40 = 634,682,114.40 : x
  2. Step 2: Convert to fraction form
    889,486,082.40/1,331,397,968.40 = 634,682,114.40/x
  3. Step 3: Cross multiply
    889,486,082.40x = 1,331,397,968.40 × 634,682,114.40
  4. Step 4: Simplify right side
    889,486,082.40x = 845,014,477,691,976,448
  5. Step 5: Solve for x
    x = 845,014,477,691,976,448/889,486,082.40
  6. Step 6: Final answer
    x = 950,003,034.80

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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.