Home / 265,728,205.20-398,592,307.80-229,377,640.80

Finding the Fourth Proportional to 265,728,205.20, 398,592,307.80 and 229,377,640.80

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Solution

The fourth proportional to 265,728,205.20, 398,592,307.80 and 229,377,640.80 is: 344,066,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,728,205.20 : 398,592,307.80 = 229,377,640.80 : x
  2. Step 2: Convert to fraction form
    265,728,205.20/398,592,307.80 = 229,377,640.80/x
  3. Step 3: Cross multiply
    265,728,205.20x = 398,592,307.80 × 229,377,640.80
  4. Step 4: Simplify right side
    265,728,205.20x = 91,428,163,204,191,440
  5. Step 5: Solve for x
    x = 91,428,163,204,191,440/265,728,205.20
  6. Step 6: Final answer
    x = 344,066,461.20

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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.