Home / 353,158,336.56-487,354,636.80-194,385,064.86

Finding the Fourth Proportional to 353,158,336.56, 487,354,636.80 and 194,385,064.86

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Solution

The fourth proportional to 353,158,336.56, 487,354,636.80 and 194,385,064.86 is: 268,249,260.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,158,336.56 : 487,354,636.80 = 194,385,064.86 : x
  2. Step 2: Convert to fraction form
    353,158,336.56/487,354,636.80 = 194,385,064.86/x
  3. Step 3: Cross multiply
    353,158,336.56x = 487,354,636.80 × 194,385,064.86
  4. Step 4: Simplify right side
    353,158,336.56x = 94,734,462,684,189,760
  5. Step 5: Solve for x
    x = 94,734,462,684,189,760/353,158,336.56
  6. Step 6: Final answer
    x = 268,249,260.68

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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.