Home / 999,549,201,255.76-1,498,851,164,581.20-387,215,561,784.54

Finding the Fourth Proportional to 999,549,201,255.76, 1,498,851,164,581.20 and 387,215,561,784.54

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Solution

The fourth proportional to 999,549,201,255.76, 1,498,851,164,581.20 and 387,215,561,784.54 is: 580,640,247,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,549,201,255.76 : 1,498,851,164,581.20 = 387,215,561,784.54 : x
  2. Step 2: Convert to fraction form
    999,549,201,255.76/1,498,851,164,581.20 = 387,215,561,784.54/x
  3. Step 3: Cross multiply
    999,549,201,255.76x = 1,498,851,164,581.20 × 387,215,561,784.54
  4. Step 4: Simplify right side
    999,549,201,255.76x = 580,378,495,724,721,306,337,280
  5. Step 5: Solve for x
    x = 580,378,495,724,721,306,337,280/999,549,201,255.76
  6. Step 6: Final answer
    x = 580,640,247,619.20

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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.