Home / 1,150,873,211.26-1,588,202,044.34-642,230,591.40

Finding the Fourth Proportional to 1,150,873,211.26, 1,588,202,044.34 and 642,230,591.40

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Solution

The fourth proportional to 1,150,873,211.26, 1,588,202,044.34 and 642,230,591.40 is: 886,276,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,873,211.26 : 1,588,202,044.34 = 642,230,591.40 : x
  2. Step 2: Convert to fraction form
    1,150,873,211.26/1,588,202,044.34 = 642,230,591.40/x
  3. Step 3: Cross multiply
    1,150,873,211.26x = 1,588,202,044.34 × 642,230,591.40
  4. Step 4: Simplify right side
    1,150,873,211.26x = 1,019,991,938,199,167,104
  5. Step 5: Solve for x
    x = 1,019,991,938,199,167,104/1,150,873,211.26
  6. Step 6: Final answer
    x = 886,276,549.16

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Double scale
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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.