Home / 483,420,189,345.69-667,121,935,317.48-263,693,669,833.70

Finding the Fourth Proportional to 483,420,189,345.69, 667,121,935,317.48 and 263,693,669,833.70

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Solution

The fourth proportional to 483,420,189,345.69, 667,121,935,317.48 and 263,693,669,833.70 is: 363,898,395,696.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,420,189,345.69 : 667,121,935,317.48 = 263,693,669,833.70 : x
  2. Step 2: Convert to fraction form
    483,420,189,345.69/667,121,935,317.48 = 263,693,669,833.70/x
  3. Step 3: Cross multiply
    483,420,189,345.69x = 667,121,935,317.48 × 263,693,669,833.70
  4. Step 4: Simplify right side
    483,420,189,345.69x = 175,915,831,350,426,546,995,200
  5. Step 5: Solve for x
    x = 175,915,831,350,426,546,995,200/483,420,189,345.69
  6. Step 6: Final answer
    x = 363,898,395,696.98

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Double scale
Find fourth proportional to 483,420,189,346.69, 667,121,935,318.86 and 263,693,669,834.70
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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.