Home / 836,457,869.70-1,254,686,804.55-491,576,717.70

Finding the Fourth Proportional to 836,457,869.70, 1,254,686,804.55 and 491,576,717.70

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Solution

The fourth proportional to 836,457,869.70, 1,254,686,804.55 and 491,576,717.70 is: 737,365,076.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,457,869.70 : 1,254,686,804.55 = 491,576,717.70 : x
  2. Step 2: Convert to fraction form
    836,457,869.70/1,254,686,804.55 = 491,576,717.70/x
  3. Step 3: Cross multiply
    836,457,869.70x = 1,254,686,804.55 × 491,576,717.70
  4. Step 4: Simplify right side
    836,457,869.70x = 616,774,821,122,190,336
  5. Step 5: Solve for x
    x = 616,774,821,122,190,336/836,457,869.70
  6. Step 6: Final answer
    x = 737,365,076.55

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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.