Home / 1,430,667,939.57-2,146,002,075.81-448,171,040.76

Finding the Fourth Proportional to 1,430,667,939.57, 2,146,002,075.81 and 448,171,040.76

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Solution

The fourth proportional to 1,430,667,939.57, 2,146,002,075.81 and 448,171,040.76 is: 672,256,613.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,667,939.57 : 2,146,002,075.81 = 448,171,040.76 : x
  2. Step 2: Convert to fraction form
    1,430,667,939.57/2,146,002,075.81 = 448,171,040.76/x
  3. Step 3: Cross multiply
    1,430,667,939.57x = 2,146,002,075.81 × 448,171,040.76
  4. Step 4: Simplify right side
    1,430,667,939.57x = 961,775,983,788,888,064
  5. Step 5: Solve for x
    x = 961,775,983,788,888,064/1,430,667,939.57
  6. Step 6: Final answer
    x = 672,256,613.28

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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.