Home / 479,728,551.16-662,059,658.30-265,142,579.56

Finding the Fourth Proportional to 479,728,551.16, 662,059,658.30 and 265,142,579.56

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Solution

The fourth proportional to 479,728,551.16, 662,059,658.30 and 265,142,579.56 is: 365,915,693.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,728,551.16 : 662,059,658.30 = 265,142,579.56 : x
  2. Step 2: Convert to fraction form
    479,728,551.16/662,059,658.30 = 265,142,579.56/x
  3. Step 3: Cross multiply
    479,728,551.16x = 662,059,658.30 × 265,142,579.56
  4. Step 4: Simplify right side
    479,728,551.16x = 175,540,205,621,293,280
  5. Step 5: Solve for x
    x = 175,540,205,621,293,280/479,728,551.16
  6. Step 6: Final answer
    x = 365,915,693.77

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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.