Home / 818,447,282.24-1,228,544,864.78-352,339,409.12

Finding the Fourth Proportional to 818,447,282.24, 1,228,544,864.78 and 352,339,409.12

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Solution

The fourth proportional to 818,447,282.24, 1,228,544,864.78 and 352,339,409.12 is: 528,885,343.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,447,282.24 : 1,228,544,864.78 = 352,339,409.12 : x
  2. Step 2: Convert to fraction form
    818,447,282.24/1,228,544,864.78 = 352,339,409.12/x
  3. Step 3: Cross multiply
    818,447,282.24x = 1,228,544,864.78 × 352,339,409.12
  4. Step 4: Simplify right side
    818,447,282.24x = 432,864,771,726,091,136
  5. Step 5: Solve for x
    x = 432,864,771,726,091,136/818,447,282.24
  6. Step 6: Final answer
    x = 528,885,343.16

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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.