Home / 1,142,670,303,020.30-1,576,885,275,558-628,836,097,488.72

Finding the Fourth Proportional to 1,142,670,303,020.30, 1,576,885,275,558 and 628,836,097,488.72

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Solution

The fourth proportional to 1,142,670,303,020.30, 1,576,885,275,558 and 628,836,097,488.72 is: 867,793,956,181.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,670,303,020.30 : 1,576,885,275,558 = 628,836,097,488.72 : x
  2. Step 2: Convert to fraction form
    1,142,670,303,020.30/1,576,885,275,558 = 628,836,097,488.72/x
  3. Step 3: Cross multiply
    1,142,670,303,020.30x = 1,576,885,275,558 × 628,836,097,488.72
  4. Step 4: Simplify right side
    1,142,670,303,020.30x = 991,602,382,869,317,508,136,960
  5. Step 5: Solve for x
    x = 991,602,382,869,317,508,136,960/1,142,670,303,020.30
  6. Step 6: Final answer
    x = 867,793,956,181.69

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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.