Home / 999,549,201,281.05-1,498,851,164,618.90-387,215,561,809.90

Finding the Fourth Proportional to 999,549,201,281.05, 1,498,851,164,618.90 and 387,215,561,809.90

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Solution

The fourth proportional to 999,549,201,281.05, 1,498,851,164,618.90 and 387,215,561,809.90 is: 580,640,247,657.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,549,201,281.05 : 1,498,851,164,618.90 = 387,215,561,809.90 : x
  2. Step 2: Convert to fraction form
    999,549,201,281.05/1,498,851,164,618.90 = 387,215,561,809.90/x
  3. Step 3: Cross multiply
    999,549,201,281.05x = 1,498,851,164,618.90 × 387,215,561,809.90
  4. Step 4: Simplify right side
    999,549,201,281.05x = 580,378,495,777,330,293,637,120
  5. Step 5: Solve for x
    x = 580,378,495,777,330,293,637,120/999,549,201,281.05
  6. Step 6: Final answer
    x = 580,640,247,657.15

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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.