Home / 622,238,552.80-933,133,880.40-315,428,696.80

Finding the Fourth Proportional to 622,238,552.80, 933,133,880.40 and 315,428,696.80

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Solution

The fourth proportional to 622,238,552.80, 933,133,880.40 and 315,428,696.80 is: 473,029,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,238,552.80 : 933,133,880.40 = 315,428,696.80 : x
  2. Step 2: Convert to fraction form
    622,238,552.80/933,133,880.40 = 315,428,696.80/x
  3. Step 3: Cross multiply
    622,238,552.80x = 933,133,880.40 × 315,428,696.80
  4. Step 4: Simplify right side
    622,238,552.80x = 294,337,203,834,499,072
  5. Step 5: Solve for x
    x = 294,337,203,834,499,072/622,238,552.80
  6. Step 6: Final answer
    x = 473,029,519.80

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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.