Home / 1,109,157,627.57-1,530,685,355.55-614,120,379.81

Finding the Fourth Proportional to 1,109,157,627.57, 1,530,685,355.55 and 614,120,379.81

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Solution

The fourth proportional to 1,109,157,627.57, 1,530,685,355.55 and 614,120,379.81 is: 847,512,606.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,157,627.57 : 1,530,685,355.55 = 614,120,379.81 : x
  2. Step 2: Convert to fraction form
    1,109,157,627.57/1,530,685,355.55 = 614,120,379.81/x
  3. Step 3: Cross multiply
    1,109,157,627.57x = 1,530,685,355.55 × 614,120,379.81
  4. Step 4: Simplify right side
    1,109,157,627.57x = 940,025,071,919,970,816
  5. Step 5: Solve for x
    x = 940,025,071,919,970,816/1,109,157,627.57
  6. Step 6: Final answer
    x = 847,512,606.46

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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.