Home / 886,934,109.29-1,223,976,997.58-490,483,770.66

Finding the Fourth Proportional to 886,934,109.29, 1,223,976,997.58 and 490,483,770.66

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Solution

The fourth proportional to 886,934,109.29, 1,223,976,997.58 and 490,483,770.66 is: 676,871,987.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,934,109.29 : 1,223,976,997.58 = 490,483,770.66 : x
  2. Step 2: Convert to fraction form
    886,934,109.29/1,223,976,997.58 = 490,483,770.66/x
  3. Step 3: Cross multiply
    886,934,109.29x = 1,223,976,997.58 × 490,483,770.66
  4. Step 4: Simplify right side
    886,934,109.29x = 600,340,852,971,691,776
  5. Step 5: Solve for x
    x = 600,340,852,971,691,776/886,934,109.29
  6. Step 6: Final answer
    x = 676,871,987.09

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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.