Home / 1,345,518,380.45-2,018,277,570.68-362,943,020.45

Finding the Fourth Proportional to 1,345,518,380.45, 2,018,277,570.68 and 362,943,020.45

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Solution

The fourth proportional to 1,345,518,380.45, 2,018,277,570.68 and 362,943,020.45 is: 544,414,530.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,518,380.45 : 2,018,277,570.68 = 362,943,020.45 : x
  2. Step 2: Convert to fraction form
    1,345,518,380.45/2,018,277,570.68 = 362,943,020.45/x
  3. Step 3: Cross multiply
    1,345,518,380.45x = 2,018,277,570.68 × 362,943,020.45
  4. Step 4: Simplify right side
    1,345,518,380.45x = 732,519,757,607,272,832
  5. Step 5: Solve for x
    x = 732,519,757,607,272,832/1,345,518,380.45
  6. Step 6: Final answer
    x = 544,414,530.68

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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.