Home / 676,643,981.76-1,014,966,863.28-185,361,619.68

Finding the Fourth Proportional to 676,643,981.76, 1,014,966,863.28 and 185,361,619.68

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Solution

The fourth proportional to 676,643,981.76, 1,014,966,863.28 and 185,361,619.68 is: 278,042,673.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,643,981.76 : 1,014,966,863.28 = 185,361,619.68 : x
  2. Step 2: Convert to fraction form
    676,643,981.76/1,014,966,863.28 = 185,361,619.68/x
  3. Step 3: Cross multiply
    676,643,981.76x = 1,014,966,863.28 × 185,361,619.68
  4. Step 4: Simplify right side
    676,643,981.76x = 188,135,901,699,109,920
  5. Step 5: Solve for x
    x = 188,135,901,699,109,920/676,643,981.76
  6. Step 6: Final answer
    x = 278,042,673.50

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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.