Home / 1,793,616,761.10-2,690,425,141.65-1,678,825,505.10

Finding the Fourth Proportional to 1,793,616,761.10, 2,690,425,141.65 and 1,678,825,505.10

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Solution

The fourth proportional to 1,793,616,761.10, 2,690,425,141.65 and 1,678,825,505.10 is: 2,518,238,257.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793,616,761.10 : 2,690,425,141.65 = 1,678,825,505.10 : x
  2. Step 2: Convert to fraction form
    1,793,616,761.10/2,690,425,141.65 = 1,678,825,505.10/x
  3. Step 3: Cross multiply
    1,793,616,761.10x = 2,690,425,141.65 × 1,678,825,505.10
  4. Step 4: Simplify right side
    1,793,616,761.10x = 4,516,754,347,364,300,288
  5. Step 5: Solve for x
    x = 4,516,754,347,364,300,288/1,793,616,761.10
  6. Step 6: Final answer
    x = 2,518,238,257.65

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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.