Home / 999,549,201,277.80-1,498,851,164,614.10-387,215,561,806.65

Finding the Fourth Proportional to 999,549,201,277.80, 1,498,851,164,614.10 and 387,215,561,806.65

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Solution

The fourth proportional to 999,549,201,277.80, 1,498,851,164,614.10 and 387,215,561,806.65 is: 580,640,247,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,549,201,277.80 : 1,498,851,164,614.10 = 387,215,561,806.65 : x
  2. Step 2: Convert to fraction form
    999,549,201,277.80/1,498,851,164,614.10 = 387,215,561,806.65/x
  3. Step 3: Cross multiply
    999,549,201,277.80x = 1,498,851,164,614.10 × 387,215,561,806.65
  4. Step 4: Simplify right side
    999,549,201,277.80x = 580,378,495,770,600,415,428,608
  5. Step 5: Solve for x
    x = 580,378,495,770,600,415,428,608/999,549,201,277.80
  6. Step 6: Final answer
    x = 580,640,247,652.30

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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.