Home / 412,980,286,458.30-619,470,429,687.45-245,201,386,688.70

Finding the Fourth Proportional to 412,980,286,458.30, 619,470,429,687.45 and 245,201,386,688.70

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Solution

The fourth proportional to 412,980,286,458.30, 619,470,429,687.45 and 245,201,386,688.70 is: 367,802,080,033.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,980,286,458.30 : 619,470,429,687.45 = 245,201,386,688.70 : x
  2. Step 2: Convert to fraction form
    412,980,286,458.30/619,470,429,687.45 = 245,201,386,688.70/x
  3. Step 3: Cross multiply
    412,980,286,458.30x = 619,470,429,687.45 × 245,201,386,688.70
  4. Step 4: Simplify right side
    412,980,286,458.30x = 151,895,008,372,007,565,787,136
  5. Step 5: Solve for x
    x = 151,895,008,372,007,565,787,136/412,980,286,458.30
  6. Step 6: Final answer
    x = 367,802,080,033.05

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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.