Home / 45,448,049,691.20-68,172,074,536.80-42,348,685,779.20

Finding the Fourth Proportional to 45,448,049,691.20, 68,172,074,536.80 and 42,348,685,779.20

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Solution

The fourth proportional to 45,448,049,691.20, 68,172,074,536.80 and 42,348,685,779.20 is: 63,523,028,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,448,049,691.20 : 68,172,074,536.80 = 42,348,685,779.20 : x
  2. Step 2: Convert to fraction form
    45,448,049,691.20/68,172,074,536.80 = 42,348,685,779.20/x
  3. Step 3: Cross multiply
    45,448,049,691.20x = 68,172,074,536.80 × 42,348,685,779.20
  4. Step 4: Simplify right side
    45,448,049,691.20x = 2,886,997,763,475,144,441,856
  5. Step 5: Solve for x
    x = 2,886,997,763,475,144,441,856/45,448,049,691.20
  6. Step 6: Final answer
    x = 63,523,028,668.80

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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.