Home / 45,448,049,691.70-68,172,074,537.55-42,348,685,779.70

Finding the Fourth Proportional to 45,448,049,691.70, 68,172,074,537.55 and 42,348,685,779.70

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Solution

The fourth proportional to 45,448,049,691.70, 68,172,074,537.55 and 42,348,685,779.70 is: 63,523,028,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,448,049,691.70 : 68,172,074,537.55 = 42,348,685,779.70 : x
  2. Step 2: Convert to fraction form
    45,448,049,691.70/68,172,074,537.55 = 42,348,685,779.70/x
  3. Step 3: Cross multiply
    45,448,049,691.70x = 68,172,074,537.55 × 42,348,685,779.70
  4. Step 4: Simplify right side
    45,448,049,691.70x = 2,886,997,763,540,991,868,928
  5. Step 5: Solve for x
    x = 2,886,997,763,540,991,868,928/45,448,049,691.70
  6. Step 6: Final answer
    x = 63,523,028,669.55

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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.