Home / 1,147,588,983.75-1,721,377,750.40-448,152,185.44

Finding the Fourth Proportional to 1,147,588,983.75, 1,721,377,750.40 and 448,152,185.44

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Solution

The fourth proportional to 1,147,588,983.75, 1,721,377,750.40 and 448,152,185.44 is: 672,226,042.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,588,983.75 : 1,721,377,750.40 = 448,152,185.44 : x
  2. Step 2: Convert to fraction form
    1,147,588,983.75/1,721,377,750.40 = 448,152,185.44/x
  3. Step 3: Cross multiply
    1,147,588,983.75x = 1,721,377,750.40 × 448,152,185.44
  4. Step 4: Simplify right side
    1,147,588,983.75x = 771,439,200,809,550,848
  5. Step 5: Solve for x
    x = 771,439,200,809,550,848/1,147,588,983.75
  6. Step 6: Final answer
    x = 672,226,042.37

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1.5x scale

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.