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Finding the Fourth Proportional to 604,929,696.40, 907,394,544.60 and 298,368,672.40

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Solution

The fourth proportional to 604,929,696.40, 907,394,544.60 and 298,368,672.40 is: 447,553,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,929,696.40 : 907,394,544.60 = 298,368,672.40 : x
  2. Step 2: Convert to fraction form
    604,929,696.40/907,394,544.60 = 298,368,672.40/x
  3. Step 3: Cross multiply
    604,929,696.40x = 907,394,544.60 × 298,368,672.40
  4. Step 4: Simplify right side
    604,929,696.40x = 270,738,105,615,304,576
  5. Step 5: Solve for x
    x = 270,738,105,615,304,576/604,929,696.40
  6. Step 6: Final answer
    x = 447,553,008.60

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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.