Home / 1,094,765,999.92-1,510,698,648.04-642,662,324.35

Finding the Fourth Proportional to 1,094,765,999.92, 1,510,698,648.04 and 642,662,324.35

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Solution

The fourth proportional to 1,094,765,999.92, 1,510,698,648.04 and 642,662,324.35 is: 886,827,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,765,999.92 : 1,510,698,648.04 = 642,662,324.35 : x
  2. Step 2: Convert to fraction form
    1,094,765,999.92/1,510,698,648.04 = 642,662,324.35/x
  3. Step 3: Cross multiply
    1,094,765,999.92x = 1,510,698,648.04 × 642,662,324.35
  4. Step 4: Simplify right side
    1,094,765,999.92x = 970,869,104,538,575,744
  5. Step 5: Solve for x
    x = 970,869,104,538,575,744/1,094,765,999.92
  6. Step 6: Final answer
    x = 886,827,965.62

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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.