Home / 398,569,466.70-598,106,142.45-234,806,906.70

Finding the Fourth Proportional to 398,569,466.70, 598,106,142.45 and 234,806,906.70

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Solution

The fourth proportional to 398,569,466.70, 598,106,142.45 and 234,806,906.70 is: 352,358,785.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,569,466.70 : 598,106,142.45 = 234,806,906.70 : x
  2. Step 2: Convert to fraction form
    398,569,466.70/598,106,142.45 = 234,806,906.70/x
  3. Step 3: Cross multiply
    398,569,466.70x = 598,106,142.45 × 234,806,906.70
  4. Step 4: Simplify right side
    398,569,466.70x = 140,439,453,186,954,064
  5. Step 5: Solve for x
    x = 140,439,453,186,954,064/398,569,466.70
  6. Step 6: Final answer
    x = 352,358,785.41

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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.