Home / 623,078,862-934,419,526.92-214,036,378.80

Finding the Fourth Proportional to 623,078,862, 934,419,526.92 and 214,036,378.80

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Solution

The fourth proportional to 623,078,862, 934,419,526.92 and 214,036,378.80 is: 320,986,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,078,862 : 934,419,526.92 = 214,036,378.80 : x
  2. Step 2: Convert to fraction form
    623,078,862/934,419,526.92 = 214,036,378.80/x
  3. Step 3: Cross multiply
    623,078,862x = 934,419,526.92 × 214,036,378.80
  4. Step 4: Simplify right side
    623,078,862x = 199,999,771,821,965,920
  5. Step 5: Solve for x
    x = 199,999,771,821,965,920/623,078,862
  6. Step 6: Final answer
    x = 320,986,289.25

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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.