Home / 1,150,873,212.23-1,588,202,045.65-642,230,592.36

Finding the Fourth Proportional to 1,150,873,212.23, 1,588,202,045.65 and 642,230,592.36

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Solution

The fourth proportional to 1,150,873,212.23, 1,588,202,045.65 and 642,230,592.36 is: 886,276,550.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,873,212.23 : 1,588,202,045.65 = 642,230,592.36 : x
  2. Step 2: Convert to fraction form
    1,150,873,212.23/1,588,202,045.65 = 642,230,592.36/x
  3. Step 3: Cross multiply
    1,150,873,212.23x = 1,588,202,045.65 × 642,230,592.36
  4. Step 4: Simplify right side
    1,150,873,212.23x = 1,019,991,940,570,686,336
  5. Step 5: Solve for x
    x = 1,019,991,940,570,686,336/1,150,873,212.23
  6. Step 6: Final answer
    x = 886,276,550.48

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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.