Home / 625,696,411.22-864,177,675.56-412,070,015.43

Finding the Fourth Proportional to 625,696,411.22, 864,177,675.56 and 412,070,015.43

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Solution

The fourth proportional to 625,696,411.22, 864,177,675.56 and 412,070,015.43 is: 569,128,576.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,696,411.22 : 864,177,675.56 = 412,070,015.43 : x
  2. Step 2: Convert to fraction form
    625,696,411.22/864,177,675.56 = 412,070,015.43/x
  3. Step 3: Cross multiply
    625,696,411.22x = 864,177,675.56 × 412,070,015.43
  4. Step 4: Simplify right side
    625,696,411.22x = 356,101,708,102,776,576
  5. Step 5: Solve for x
    x = 356,101,708,102,776,576/625,696,411.22
  6. Step 6: Final answer
    x = 569,128,576.93

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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.