Home / 818,447,280.36-1,228,544,861.94-352,339,407.24

Finding the Fourth Proportional to 818,447,280.36, 1,228,544,861.94 and 352,339,407.24

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Solution

The fourth proportional to 818,447,280.36, 1,228,544,861.94 and 352,339,407.24 is: 528,885,340.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,447,280.36 : 1,228,544,861.94 = 352,339,407.24 : x
  2. Step 2: Convert to fraction form
    818,447,280.36/1,228,544,861.94 = 352,339,407.24/x
  3. Step 3: Cross multiply
    818,447,280.36x = 1,228,544,861.94 × 352,339,407.24
  4. Step 4: Simplify right side
    818,447,280.36x = 432,864,768,423,687,296
  5. Step 5: Solve for x
    x = 432,864,768,423,687,296/818,447,280.36
  6. Step 6: Final answer
    x = 528,885,340.34

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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.