Home / 45,448,049,709.45-68,172,074,564.18-42,348,685,797.45

Finding the Fourth Proportional to 45,448,049,709.45, 68,172,074,564.18 and 42,348,685,797.45

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Solution

The fourth proportional to 45,448,049,709.45, 68,172,074,564.18 and 42,348,685,797.45 is: 63,523,028,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,448,049,709.45 : 68,172,074,564.18 = 42,348,685,797.45 : x
  2. Step 2: Convert to fraction form
    45,448,049,709.45/68,172,074,564.18 = 42,348,685,797.45/x
  3. Step 3: Cross multiply
    45,448,049,709.45x = 68,172,074,564.18 × 42,348,685,797.45
  4. Step 4: Simplify right side
    45,448,049,709.45x = 2,886,997,765,878,580,248,576
  5. Step 5: Solve for x
    x = 2,886,997,765,878,580,248,576/45,448,049,709.45
  6. Step 6: Final answer
    x = 63,523,028,696.18

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Double scale
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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.