Home / 999,549,201,284.05-1,498,851,164,623.40-387,215,561,812.90

Finding the Fourth Proportional to 999,549,201,284.05, 1,498,851,164,623.40 and 387,215,561,812.90

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Solution

The fourth proportional to 999,549,201,284.05, 1,498,851,164,623.40 and 387,215,561,812.90 is: 580,640,247,661.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,549,201,284.05 : 1,498,851,164,623.40 = 387,215,561,812.90 : x
  2. Step 2: Convert to fraction form
    999,549,201,284.05/1,498,851,164,623.40 = 387,215,561,812.90/x
  3. Step 3: Cross multiply
    999,549,201,284.05x = 1,498,851,164,623.40 × 387,215,561,812.90
  4. Step 4: Simplify right side
    999,549,201,284.05x = 580,378,495,783,569,270,505,472
  5. Step 5: Solve for x
    x = 580,378,495,783,569,270,505,472/999,549,201,284.05
  6. Step 6: Final answer
    x = 580,640,247,661.64

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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.