Home / 1,142,670,303,037.10-1,576,885,275,581.40-628,836,097,505.65

Finding the Fourth Proportional to 1,142,670,303,037.10, 1,576,885,275,581.40 and 628,836,097,505.65

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Solution

The fourth proportional to 1,142,670,303,037.10, 1,576,885,275,581.40 and 628,836,097,505.65 is: 867,793,956,205.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,670,303,037.10 : 1,576,885,275,581.40 = 628,836,097,505.65 : x
  2. Step 2: Convert to fraction form
    1,142,670,303,037.10/1,576,885,275,581.40 = 628,836,097,505.65/x
  3. Step 3: Cross multiply
    1,142,670,303,037.10x = 1,576,885,275,581.40 × 628,836,097,505.65
  4. Step 4: Simplify right side
    1,142,670,303,037.10x = 991,602,382,910,729,045,934,080
  5. Step 5: Solve for x
    x = 991,602,382,910,729,045,934,080/1,142,670,303,037.10
  6. Step 6: Final answer
    x = 867,793,956,205.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.