Home / 957,178,803.60-1,320,905,469.60-517,145,655.60

Finding the Fourth Proportional to 957,178,803.60, 1,320,905,469.60 and 517,145,655.60

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Solution

The fourth proportional to 957,178,803.60, 1,320,905,469.60 and 517,145,655.60 is: 713,660,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,178,803.60 : 1,320,905,469.60 = 517,145,655.60 : x
  2. Step 2: Convert to fraction form
    957,178,803.60/1,320,905,469.60 = 517,145,655.60/x
  3. Step 3: Cross multiply
    957,178,803.60x = 1,320,905,469.60 × 517,145,655.60
  4. Step 4: Simplify right side
    957,178,803.60x = 683,100,525,061,917,824
  5. Step 5: Solve for x
    x = 683,100,525,061,917,824/957,178,803.60
  6. Step 6: Final answer
    x = 713,660,313.51

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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.