Home / 670,888,864,975.25-1,006,474,650,256.80-217,572,422,048.39

Finding the Fourth Proportional to 670,888,864,975.25, 1,006,474,650,256.80 and 217,572,422,048.39

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Solution

The fourth proportional to 670,888,864,975.25, 1,006,474,650,256.80 and 217,572,422,048.39 is: 326,404,474,450.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,888,864,975.25 : 1,006,474,650,256.80 = 217,572,422,048.39 : x
  2. Step 2: Convert to fraction form
    670,888,864,975.25/1,006,474,650,256.80 = 217,572,422,048.39/x
  3. Step 3: Cross multiply
    670,888,864,975.25x = 1,006,474,650,256.80 × 217,572,422,048.39
  4. Step 4: Simplify right side
    670,888,864,975.25x = 218,981,127,386,678,238,904,320
  5. Step 5: Solve for x
    x = 218,981,127,386,678,238,904,320/670,888,864,975.25
  6. Step 6: Final answer
    x = 326,404,474,450.11

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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.