Home / 1,790,742,042.45-2,686,596,672.21-547,138,595.88

Finding the Fourth Proportional to 1,790,742,042.45, 2,686,596,672.21 and 547,138,595.88

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Solution

The fourth proportional to 1,790,742,042.45, 2,686,596,672.21 and 547,138,595.88 is: 820,855,654.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,742,042.45 : 2,686,596,672.21 = 547,138,595.88 : x
  2. Step 2: Convert to fraction form
    1,790,742,042.45/2,686,596,672.21 = 547,138,595.88/x
  3. Step 3: Cross multiply
    1,790,742,042.45x = 2,686,596,672.21 × 547,138,595.88
  4. Step 4: Simplify right side
    1,790,742,042.45x = 1,469,940,730,914,059,264
  5. Step 5: Solve for x
    x = 1,469,940,730,914,059,264/1,790,742,042.45
  6. Step 6: Final answer
    x = 820,855,654.29

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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.