Home / 1,790,742,038.82-2,686,596,666.77-547,138,592.25

Finding the Fourth Proportional to 1,790,742,038.82, 2,686,596,666.77 and 547,138,592.25

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Solution

The fourth proportional to 1,790,742,038.82, 2,686,596,666.77 and 547,138,592.25 is: 820,855,648.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,742,038.82 : 2,686,596,666.77 = 547,138,592.25 : x
  2. Step 2: Convert to fraction form
    1,790,742,038.82/2,686,596,666.77 = 547,138,592.25/x
  3. Step 3: Cross multiply
    1,790,742,038.82x = 2,686,596,666.77 × 547,138,592.25
  4. Step 4: Simplify right side
    1,790,742,038.82x = 1,469,940,718,200,080,128
  5. Step 5: Solve for x
    x = 1,469,940,718,200,080,128/1,790,742,038.82
  6. Step 6: Final answer
    x = 820,855,648.85

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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.