Home / 320,359,600,310.76-442,096,686,221.76-173,872,063,976.40

Finding the Fourth Proportional to 320,359,600,310.76, 442,096,686,221.76 and 173,872,063,976.40

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Solution

The fourth proportional to 320,359,600,310.76, 442,096,686,221.76 and 173,872,063,976.40 is: 239,943,685,895.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,359,600,310.76 : 442,096,686,221.76 = 173,872,063,976.40 : x
  2. Step 2: Convert to fraction form
    320,359,600,310.76/442,096,686,221.76 = 173,872,063,976.40/x
  3. Step 3: Cross multiply
    320,359,600,310.76x = 442,096,686,221.76 × 173,872,063,976.40
  4. Step 4: Simplify right side
    320,359,600,310.76x = 76,868,263,310,504,283,340,800
  5. Step 5: Solve for x
    x = 76,868,263,310,504,283,340,800/320,359,600,310.76
  6. Step 6: Final answer
    x = 239,943,685,895.29

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1.5x scale

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.