Home / 406,525,303.86-609,786,749.07-115,392,672.96

Finding the Fourth Proportional to 406,525,303.86, 609,786,749.07 and 115,392,672.96

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Solution

The fourth proportional to 406,525,303.86, 609,786,749.07 and 115,392,672.96 is: 173,088,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,525,303.86 : 609,786,749.07 = 115,392,672.96 : x
  2. Step 2: Convert to fraction form
    406,525,303.86/609,786,749.07 = 115,392,672.96/x
  3. Step 3: Cross multiply
    406,525,303.86x = 609,786,749.07 × 115,392,672.96
  4. Step 4: Simplify right side
    406,525,303.86x = 70,364,922,910,776,096
  5. Step 5: Solve for x
    x = 70,364,922,910,776,096/406,525,303.86
  6. Step 6: Final answer
    x = 173,088,666.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.