Home / 318,870,512.34-440,050,633.41-186,699,142.74

Finding the Fourth Proportional to 318,870,512.34, 440,050,633.41 and 186,699,142.74

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Solution

The fourth proportional to 318,870,512.34, 440,050,633.41 and 186,699,142.74 is: 257,650,277.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,870,512.34 : 440,050,633.41 = 186,699,142.74 : x
  2. Step 2: Convert to fraction form
    318,870,512.34/440,050,633.41 = 186,699,142.74/x
  3. Step 3: Cross multiply
    318,870,512.34x = 440,050,633.41 × 186,699,142.74
  4. Step 4: Simplify right side
    318,870,512.34x = 82,157,076,019,841,008
  5. Step 5: Solve for x
    x = 82,157,076,019,841,008/318,870,512.34
  6. Step 6: Final answer
    x = 257,650,277.59

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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.