Home / 836,457,977.70-1,254,686,966.55-491,576,825.70

Finding the Fourth Proportional to 836,457,977.70, 1,254,686,966.55 and 491,576,825.70

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Solution

The fourth proportional to 836,457,977.70, 1,254,686,966.55 and 491,576,825.70 is: 737,365,238.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,457,977.70 : 1,254,686,966.55 = 491,576,825.70 : x
  2. Step 2: Convert to fraction form
    836,457,977.70/1,254,686,966.55 = 491,576,825.70/x
  3. Step 3: Cross multiply
    836,457,977.70x = 1,254,686,966.55 × 491,576,825.70
  4. Step 4: Simplify right side
    836,457,977.70x = 616,775,036,263,811,072
  5. Step 5: Solve for x
    x = 616,775,036,263,811,072/836,457,977.70
  6. Step 6: Final answer
    x = 737,365,238.55

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Double scale
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Similar ratio
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1.5x scale

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.