Home / 308,499,532,178.92-462,927,828,903.90-129,409,479,606.76

Finding the Fourth Proportional to 308,499,532,178.92, 462,927,828,903.90 and 129,409,479,606.76

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Solution

The fourth proportional to 308,499,532,178.92, 462,927,828,903.90 and 129,409,479,606.76 is: 194,189,109,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,499,532,178.92 : 462,927,828,903.90 = 129,409,479,606.76 : x
  2. Step 2: Convert to fraction form
    308,499,532,178.92/462,927,828,903.90 = 129,409,479,606.76/x
  3. Step 3: Cross multiply
    308,499,532,178.92x = 462,927,828,903.90 × 129,409,479,606.76
  4. Step 4: Simplify right side
    308,499,532,178.92x = 59,907,249,433,940,926,136,320
  5. Step 5: Solve for x
    x = 59,907,249,433,940,926,136,320/308,499,532,178.92
  6. Step 6: Final answer
    x = 194,189,109,496.60

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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.