Home / 456,980,472.90-630,651,134.70-256,039,080.66

Finding the Fourth Proportional to 456,980,472.90, 630,651,134.70 and 256,039,080.66

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Solution

The fourth proportional to 456,980,472.90, 630,651,134.70 and 256,039,080.66 is: 353,344,062.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,980,472.90 : 630,651,134.70 = 256,039,080.66 : x
  2. Step 2: Convert to fraction form
    456,980,472.90/630,651,134.70 = 256,039,080.66/x
  3. Step 3: Cross multiply
    456,980,472.90x = 630,651,134.70 × 256,039,080.66
  4. Step 4: Simplify right side
    456,980,472.90x = 161,471,336,745,773,824
  5. Step 5: Solve for x
    x = 161,471,336,745,773,824/456,980,472.90
  6. Step 6: Final answer
    x = 353,344,062.43

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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.