Home / 1,412,865,667.72-2,119,137,064.50-377,807,264.92

Finding the Fourth Proportional to 1,412,865,667.72, 2,119,137,064.50 and 377,807,264.92

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Solution

The fourth proportional to 1,412,865,667.72, 2,119,137,064.50 and 377,807,264.92 is: 566,667,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,865,667.72 : 2,119,137,064.50 = 377,807,264.92 : x
  2. Step 2: Convert to fraction form
    1,412,865,667.72/2,119,137,064.50 = 377,807,264.92/x
  3. Step 3: Cross multiply
    1,412,865,667.72x = 2,119,137,064.50 × 377,807,264.92
  4. Step 4: Simplify right side
    1,412,865,667.72x = 800,625,378,329,342,720
  5. Step 5: Solve for x
    x = 800,625,378,329,342,720/1,412,865,667.72
  6. Step 6: Final answer
    x = 566,667,728.31

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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.