Home / 288,945,811-398,744,019.30-171,567,764.92

Finding the Fourth Proportional to 288,945,811, 398,744,019.30 and 171,567,764.92

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Solution

The fourth proportional to 288,945,811, 398,744,019.30 and 171,567,764.92 is: 236,762,803.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,945,811 : 398,744,019.30 = 171,567,764.92 : x
  2. Step 2: Convert to fraction form
    288,945,811/398,744,019.30 = 171,567,764.92/x
  3. Step 3: Cross multiply
    288,945,811x = 398,744,019.30 × 171,567,764.92
  4. Step 4: Simplify right side
    288,945,811x = 68,411,620,166,518,336
  5. Step 5: Solve for x
    x = 68,411,620,166,518,336/288,945,811
  6. Step 6: Final answer
    x = 236,762,803.14

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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.