Home / 457,467,230.96-631,309,655.44-248,623,384.40

Finding the Fourth Proportional to 457,467,230.96, 631,309,655.44 and 248,623,384.40

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Solution

The fourth proportional to 457,467,230.96, 631,309,655.44 and 248,623,384.40 is: 343,102,920.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,467,230.96 : 631,309,655.44 = 248,623,384.40 : x
  2. Step 2: Convert to fraction form
    457,467,230.96/631,309,655.44 = 248,623,384.40/x
  3. Step 3: Cross multiply
    457,467,230.96x = 631,309,655.44 × 248,623,384.40
  4. Step 4: Simplify right side
    457,467,230.96x = 156,958,343,139,890,688
  5. Step 5: Solve for x
    x = 156,958,343,139,890,688/457,467,230.96
  6. Step 6: Final answer
    x = 343,102,920.86

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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.