Home / 318,870,508.34-440,050,627.89-186,699,138.74

Finding the Fourth Proportional to 318,870,508.34, 440,050,627.89 and 186,699,138.74

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Solution

The fourth proportional to 318,870,508.34, 440,050,627.89 and 186,699,138.74 is: 257,650,272.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,870,508.34 : 440,050,627.89 = 186,699,138.74 : x
  2. Step 2: Convert to fraction form
    318,870,508.34/440,050,627.89 = 186,699,138.74/x
  3. Step 3: Cross multiply
    318,870,508.34x = 440,050,627.89 × 186,699,138.74
  4. Step 4: Simplify right side
    318,870,508.34x = 82,157,073,229,059,232
  5. Step 5: Solve for x
    x = 82,157,073,229,059,232/318,870,508.34
  6. Step 6: Final answer
    x = 257,650,272.07

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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.