Home / 664,317,014.40-996,475,521.60-358,206,998.40

Finding the Fourth Proportional to 664,317,014.40, 996,475,521.60 and 358,206,998.40

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Solution

The fourth proportional to 664,317,014.40, 996,475,521.60 and 358,206,998.40 is: 537,310,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,317,014.40 : 996,475,521.60 = 358,206,998.40 : x
  2. Step 2: Convert to fraction form
    664,317,014.40/996,475,521.60 = 358,206,998.40/x
  3. Step 3: Cross multiply
    664,317,014.40x = 996,475,521.60 × 358,206,998.40
  4. Step 4: Simplify right side
    664,317,014.40x = 356,944,505,571,410,368
  5. Step 5: Solve for x
    x = 356,944,505,571,410,368/664,317,014.40
  6. Step 6: Final answer
    x = 537,310,497.60

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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.