Home / 1,364,061,406.12-2,046,078,468.81-431,384,413.25

Finding the Fourth Proportional to 1,364,061,406.12, 2,046,078,468.81 and 431,384,413.25

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Solution

The fourth proportional to 1,364,061,406.12, 2,046,078,468.81 and 431,384,413.25 is: 647,072,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,061,406.12 : 2,046,078,468.81 = 431,384,413.25 : x
  2. Step 2: Convert to fraction form
    1,364,061,406.12/2,046,078,468.81 = 431,384,413.25/x
  3. Step 3: Cross multiply
    1,364,061,406.12x = 2,046,078,468.81 × 431,384,413.25
  4. Step 4: Simplify right side
    1,364,061,406.12x = 882,646,359,724,676,480
  5. Step 5: Solve for x
    x = 882,646,359,724,676,480/1,364,061,406.12
  6. Step 6: Final answer
    x = 647,072,306.10

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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.