Home / 483,420,189,343.69-667,121,935,314.72-263,693,669,831.70

Finding the Fourth Proportional to 483,420,189,343.69, 667,121,935,314.72 and 263,693,669,831.70

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Solution

The fourth proportional to 483,420,189,343.69, 667,121,935,314.72 and 263,693,669,831.70 is: 363,898,395,694.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,420,189,343.69 : 667,121,935,314.72 = 263,693,669,831.70 : x
  2. Step 2: Convert to fraction form
    483,420,189,343.69/667,121,935,314.72 = 263,693,669,831.70/x
  3. Step 3: Cross multiply
    483,420,189,343.69x = 667,121,935,314.72 × 263,693,669,831.70
  4. Step 4: Simplify right side
    483,420,189,343.69x = 175,915,831,348,364,492,931,072
  5. Step 5: Solve for x
    x = 175,915,831,348,364,492,931,072/483,420,189,343.69
  6. Step 6: Final answer
    x = 363,898,395,694.22

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Double scale
Find fourth proportional to 483,420,189,344.69, 667,121,935,316.10 and 263,693,669,832.70
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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.