Home / 770,045,452.22-1,154,986,294.88-217,334,215.10

Finding the Fourth Proportional to 770,045,452.22, 1,154,986,294.88 and 217,334,215.10

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Solution

The fourth proportional to 770,045,452.22, 1,154,986,294.88 and 217,334,215.10 is: 325,978,212.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,045,452.22 : 1,154,986,294.88 = 217,334,215.10 : x
  2. Step 2: Convert to fraction form
    770,045,452.22/1,154,986,294.88 = 217,334,215.10/x
  3. Step 3: Cross multiply
    770,045,452.22x = 1,154,986,294.88 × 217,334,215.10
  4. Step 4: Simplify right side
    770,045,452.22x = 251,018,039,842,140,352
  5. Step 5: Solve for x
    x = 251,018,039,842,140,352/770,045,452.22
  6. Step 6: Final answer
    x = 325,978,212.22

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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.