Home / 491,030,353.79-736,870,838.51-269,856,151.79

Finding the Fourth Proportional to 491,030,353.79, 736,870,838.51 and 269,856,151.79

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Solution

The fourth proportional to 491,030,353.79, 736,870,838.51 and 269,856,151.79 is: 404,963,007.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,030,353.79 : 736,870,838.51 = 269,856,151.79 : x
  2. Step 2: Convert to fraction form
    491,030,353.79/736,870,838.51 = 269,856,151.79/x
  3. Step 3: Cross multiply
    491,030,353.79x = 736,870,838.51 × 269,856,151.79
  4. Step 4: Simplify right side
    491,030,353.79x = 198,849,128,841,545,536
  5. Step 5: Solve for x
    x = 198,849,128,841,545,536/491,030,353.79
  6. Step 6: Final answer
    x = 404,963,007.50

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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.