Home / 730,162,025.69-1,007,971,048.19-489,172,956.39

Finding the Fourth Proportional to 730,162,025.69, 1,007,971,048.19 and 489,172,956.39

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Solution

The fourth proportional to 730,162,025.69, 1,007,971,048.19 and 489,172,956.39 is: 675,291,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,162,025.69 : 1,007,971,048.19 = 489,172,956.39 : x
  2. Step 2: Convert to fraction form
    730,162,025.69/1,007,971,048.19 = 489,172,956.39/x
  3. Step 3: Cross multiply
    730,162,025.69x = 1,007,971,048.19 × 489,172,956.39
  4. Step 4: Simplify right side
    730,162,025.69x = 493,072,177,599,852,352
  5. Step 5: Solve for x
    x = 493,072,177,599,852,352/730,162,025.69
  6. Step 6: Final answer
    x = 675,291,456.22

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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.