Home / 641,682,712.80-962,524,069.20-297,308,944.80

Finding the Fourth Proportional to 641,682,712.80, 962,524,069.20 and 297,308,944.80

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Solution

The fourth proportional to 641,682,712.80, 962,524,069.20 and 297,308,944.80 is: 445,963,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,682,712.80 : 962,524,069.20 = 297,308,944.80 : x
  2. Step 2: Convert to fraction form
    641,682,712.80/962,524,069.20 = 297,308,944.80/x
  3. Step 3: Cross multiply
    641,682,712.80x = 962,524,069.20 × 297,308,944.80
  4. Step 4: Simplify right side
    641,682,712.80x = 286,167,015,358,454,208
  5. Step 5: Solve for x
    x = 286,167,015,358,454,208/641,682,712.80
  6. Step 6: Final answer
    x = 445,963,417.20

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1.5x scale

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.