Home / 409,032,447,232.80-613,548,670,849.20-381,138,172,024.80

Finding the Fourth Proportional to 409,032,447,232.80, 613,548,670,849.20 and 381,138,172,024.80

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Solution

The fourth proportional to 409,032,447,232.80, 613,548,670,849.20 and 381,138,172,024.80 is: 571,707,258,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,032,447,232.80 : 613,548,670,849.20 = 381,138,172,024.80 : x
  2. Step 2: Convert to fraction form
    409,032,447,232.80/613,548,670,849.20 = 381,138,172,024.80/x
  3. Step 3: Cross multiply
    409,032,447,232.80x = 613,548,670,849.20 × 381,138,172,024.80
  4. Step 4: Simplify right side
    409,032,447,232.80x = 233,846,818,855,709,749,280,768
  5. Step 5: Solve for x
    x = 233,846,818,855,709,749,280,768/409,032,447,232.80
  6. Step 6: Final answer
    x = 571,707,258,037.20

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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.