Home / 123,763,636,218.72-185,645,222,597.65-38,779,936,619.38

Finding the Fourth Proportional to 123,763,636,218.72, 185,645,222,597.65 and 38,779,936,619.38

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Solution

The fourth proportional to 123,763,636,218.72, 185,645,222,597.65 and 38,779,936,619.38 is: 58,169,832,318.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,763,636,218.72 : 185,645,222,597.65 = 38,779,936,619.38 : x
  2. Step 2: Convert to fraction form
    123,763,636,218.72/185,645,222,597.65 = 38,779,936,619.38/x
  3. Step 3: Cross multiply
    123,763,636,218.72x = 185,645,222,597.65 × 38,779,936,619.38
  4. Step 4: Simplify right side
    123,763,636,218.72x = 7,199,309,966,027,743,297,536
  5. Step 5: Solve for x
    x = 7,199,309,966,027,743,297,536/123,763,636,218.72
  6. Step 6: Final answer
    x = 58,169,832,318.96

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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.