Home / 469,972,349.64-648,522,860.40-258,268,048.56

Finding the Fourth Proportional to 469,972,349.64, 648,522,860.40 and 258,268,048.56

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Solution

The fourth proportional to 469,972,349.64, 648,522,860.40 and 258,268,048.56 is: 356,388,484.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,972,349.64 : 648,522,860.40 = 258,268,048.56 : x
  2. Step 2: Convert to fraction form
    469,972,349.64/648,522,860.40 = 258,268,048.56/x
  3. Step 3: Cross multiply
    469,972,349.64x = 648,522,860.40 × 258,268,048.56
  4. Step 4: Simplify right side
    469,972,349.64x = 167,492,733,602,057,312
  5. Step 5: Solve for x
    x = 167,492,733,602,057,312/469,972,349.64
  6. Step 6: Final answer
    x = 356,388,484.83

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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.