Home / 421,515,179.18-581,697,833.86-230,773,014.14

Finding the Fourth Proportional to 421,515,179.18, 581,697,833.86 and 230,773,014.14

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Solution

The fourth proportional to 421,515,179.18, 581,697,833.86 and 230,773,014.14 is: 318,470,529.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,515,179.18 : 581,697,833.86 = 230,773,014.14 : x
  2. Step 2: Convert to fraction form
    421,515,179.18/581,697,833.86 = 230,773,014.14/x
  3. Step 3: Cross multiply
    421,515,179.18x = 581,697,833.86 × 230,773,014.14
  4. Step 4: Simplify right side
    421,515,179.18x = 134,240,162,438,581,152
  5. Step 5: Solve for x
    x = 134,240,162,438,581,152/421,515,179.18
  6. Step 6: Final answer
    x = 318,470,529.82

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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.