Home / 622,238,516.80-933,133,826.40-315,428,660.80

Finding the Fourth Proportional to 622,238,516.80, 933,133,826.40 and 315,428,660.80

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Solution

The fourth proportional to 622,238,516.80, 933,133,826.40 and 315,428,660.80 is: 473,029,465.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,238,516.80 : 933,133,826.40 = 315,428,660.80 : x
  2. Step 2: Convert to fraction form
    622,238,516.80/933,133,826.40 = 315,428,660.80/x
  3. Step 3: Cross multiply
    622,238,516.80x = 933,133,826.40 × 315,428,660.80
  4. Step 4: Simplify right side
    622,238,516.80x = 294,337,153,208,531,712
  5. Step 5: Solve for x
    x = 294,337,153,208,531,712/622,238,516.80
  6. Step 6: Final answer
    x = 473,029,465.81

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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.