Home / 457,701,848.64-631,621,109.88-248,863,250.34

Finding the Fourth Proportional to 457,701,848.64, 631,621,109.88 and 248,863,250.34

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Solution

The fourth proportional to 457,701,848.64, 631,621,109.88 and 248,863,250.34 is: 343,427,239.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,701,848.64 : 631,621,109.88 = 248,863,250.34 : x
  2. Step 2: Convert to fraction form
    457,701,848.64/631,621,109.88 = 248,863,250.34/x
  3. Step 3: Cross multiply
    457,701,848.64x = 631,621,109.88 × 248,863,250.34
  4. Step 4: Simplify right side
    457,701,848.64x = 157,187,282,388,095,104
  5. Step 5: Solve for x
    x = 157,187,282,388,095,104/457,701,848.64
  6. Step 6: Final answer
    x = 343,427,239.49

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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.