Home / 638,003,927.70-957,005,891.55-153,329,735.70

Finding the Fourth Proportional to 638,003,927.70, 957,005,891.55 and 153,329,735.70

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Solution

The fourth proportional to 638,003,927.70, 957,005,891.55 and 153,329,735.70 is: 229,994,603.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,003,927.70 : 957,005,891.55 = 153,329,735.70 : x
  2. Step 2: Convert to fraction form
    638,003,927.70/957,005,891.55 = 153,329,735.70/x
  3. Step 3: Cross multiply
    638,003,927.70x = 957,005,891.55 × 153,329,735.70
  4. Step 4: Simplify right side
    638,003,927.70x = 146,737,460,414,704,352
  5. Step 5: Solve for x
    x = 146,737,460,414,704,352/638,003,927.70
  6. Step 6: Final answer
    x = 229,994,603.55

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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.