Home / 859,280,948,099.76-1,288,701,572,978.30-254,764,796,437.56

Finding the Fourth Proportional to 859,280,948,099.76, 1,288,701,572,978.30 and 254,764,796,437.56

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Solution

The fourth proportional to 859,280,948,099.76, 1,288,701,572,978.30 and 254,764,796,437.56 is: 382,082,012,448.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,280,948,099.76 : 1,288,701,572,978.30 = 254,764,796,437.56 : x
  2. Step 2: Convert to fraction form
    859,280,948,099.76/1,288,701,572,978.30 = 254,764,796,437.56/x
  3. Step 3: Cross multiply
    859,280,948,099.76x = 1,288,701,572,978.30 × 254,764,796,437.56
  4. Step 4: Simplify right side
    859,280,948,099.76x = 328,315,793,908,579,998,629,888
  5. Step 5: Solve for x
    x = 328,315,793,908,579,998,629,888/859,280,948,099.76
  6. Step 6: Final answer
    x = 382,082,012,448.46

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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.