Home / 517,462,550.40-776,193,825.60-507,258,883.20

Finding the Fourth Proportional to 517,462,550.40, 776,193,825.60 and 507,258,883.20

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Solution

The fourth proportional to 517,462,550.40, 776,193,825.60 and 507,258,883.20 is: 760,888,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,462,550.40 : 776,193,825.60 = 507,258,883.20 : x
  2. Step 2: Convert to fraction form
    517,462,550.40/776,193,825.60 = 507,258,883.20/x
  3. Step 3: Cross multiply
    517,462,550.40x = 776,193,825.60 × 507,258,883.20
  4. Step 4: Simplify right side
    517,462,550.40x = 393,731,213,120,591,552
  5. Step 5: Solve for x
    x = 393,731,213,120,591,552/517,462,550.40
  6. Step 6: Final answer
    x = 760,888,324.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.