Home / 1,672,728,237.42-2,509,378,208.67-689,617,358.37

Finding the Fourth Proportional to 1,672,728,237.42, 2,509,378,208.67 and 689,617,358.37

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Solution

The fourth proportional to 1,672,728,237.42, 2,509,378,208.67 and 689,617,358.37 is: 1,034,543,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,728,237.42 : 2,509,378,208.67 = 689,617,358.37 : x
  2. Step 2: Convert to fraction form
    1,672,728,237.42/2,509,378,208.67 = 689,617,358.37/x
  3. Step 3: Cross multiply
    1,672,728,237.42x = 2,509,378,208.67 × 689,617,358.37
  4. Step 4: Simplify right side
    1,672,728,237.42x = 1,730,510,771,414,248,192
  5. Step 5: Solve for x
    x = 1,730,510,771,414,248,192/1,672,728,237.42
  6. Step 6: Final answer
    x = 1,034,543,886.27

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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.