Home / 770,045,454.65-1,154,986,298.52-217,334,217.53

Finding the Fourth Proportional to 770,045,454.65, 1,154,986,298.52 and 217,334,217.53

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Solution

The fourth proportional to 770,045,454.65, 1,154,986,298.52 and 217,334,217.53 is: 325,978,215.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,045,454.65 : 1,154,986,298.52 = 217,334,217.53 : x
  2. Step 2: Convert to fraction form
    770,045,454.65/1,154,986,298.52 = 217,334,217.53/x
  3. Step 3: Cross multiply
    770,045,454.65x = 1,154,986,298.52 × 217,334,217.53
  4. Step 4: Simplify right side
    770,045,454.65x = 251,018,043,440,940,256
  5. Step 5: Solve for x
    x = 251,018,043,440,940,256/770,045,454.65
  6. Step 6: Final answer
    x = 325,978,215.87

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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.