Home / 728,286,957.16-1,005,034,110.53-406,411,549.27

Finding the Fourth Proportional to 728,286,957.16, 1,005,034,110.53 and 406,411,549.27

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Solution

The fourth proportional to 728,286,957.16, 1,005,034,110.53 and 406,411,549.27 is: 560,846,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,286,957.16 : 1,005,034,110.53 = 406,411,549.27 : x
  2. Step 2: Convert to fraction form
    728,286,957.16/1,005,034,110.53 = 406,411,549.27/x
  3. Step 3: Cross multiply
    728,286,957.16x = 1,005,034,110.53 × 406,411,549.27
  4. Step 4: Simplify right side
    728,286,957.16x = 408,457,469,925,149,056
  5. Step 5: Solve for x
    x = 408,457,469,925,149,056/728,286,957.16
  6. Step 6: Final answer
    x = 560,846,883.10

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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.