Home / 684,162,576.32-944,151,796.63-401,916,913.26

Finding the Fourth Proportional to 684,162,576.32, 944,151,796.63 and 401,916,913.26

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Solution

The fourth proportional to 684,162,576.32, 944,151,796.63 and 401,916,913.26 is: 554,649,711.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,162,576.32 : 944,151,796.63 = 401,916,913.26 : x
  2. Step 2: Convert to fraction form
    684,162,576.32/944,151,796.63 = 401,916,913.26/x
  3. Step 3: Cross multiply
    684,162,576.32x = 944,151,796.63 × 401,916,913.26
  4. Step 4: Simplify right side
    684,162,576.32x = 379,470,575,749,408,064
  5. Step 5: Solve for x
    x = 379,470,575,749,408,064/684,162,576.32
  6. Step 6: Final answer
    x = 554,649,711.76

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Double scale
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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.