Home / 762,704,866.80-1,144,057,300.20-210,006,226.80

Finding the Fourth Proportional to 762,704,866.80, 1,144,057,300.20 and 210,006,226.80

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Solution

The fourth proportional to 762,704,866.80, 1,144,057,300.20 and 210,006,226.80 is: 315,009,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,704,866.80 : 1,144,057,300.20 = 210,006,226.80 : x
  2. Step 2: Convert to fraction form
    762,704,866.80/1,144,057,300.20 = 210,006,226.80/x
  3. Step 3: Cross multiply
    762,704,866.80x = 1,144,057,300.20 × 210,006,226.80
  4. Step 4: Simplify right side
    762,704,866.80x = 240,259,156,857,996,896
  5. Step 5: Solve for x
    x = 240,259,156,857,996,896/762,704,866.80
  6. Step 6: Final answer
    x = 315,009,340.20

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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.