Home / 621,617,016.25-857,834,222.30-343,160,827.93

Finding the Fourth Proportional to 621,617,016.25, 857,834,222.30 and 343,160,827.93

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Solution

The fourth proportional to 621,617,016.25, 857,834,222.30 and 343,160,827.93 is: 473,563,455.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,617,016.25 : 857,834,222.30 = 343,160,827.93 : x
  2. Step 2: Convert to fraction form
    621,617,016.25/857,834,222.30 = 343,160,827.93/x
  3. Step 3: Cross multiply
    621,617,016.25x = 857,834,222.30 × 343,160,827.93
  4. Step 4: Simplify right side
    621,617,016.25x = 294,375,101,951,155,648
  5. Step 5: Solve for x
    x = 294,375,101,951,155,648/621,617,016.25
  6. Step 6: Final answer
    x = 473,563,455.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.