Home / 457,623,436.40-631,493,525.13-248,777,752.22

Finding the Fourth Proportional to 457,623,436.40, 631,493,525.13 and 248,777,752.22

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Solution

The fourth proportional to 457,623,436.40, 631,493,525.13 and 248,777,752.22 is: 343,298,719.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,623,436.40 : 631,493,525.13 = 248,777,752.22 : x
  2. Step 2: Convert to fraction form
    457,623,436.40/631,493,525.13 = 248,777,752.22/x
  3. Step 3: Cross multiply
    457,623,436.40x = 631,493,525.13 × 248,777,752.22
  4. Step 4: Simplify right side
    457,623,436.40x = 157,101,539,727,258,208
  5. Step 5: Solve for x
    x = 157,101,539,727,258,208/457,623,436.40
  6. Step 6: Final answer
    x = 343,298,719.49

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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.