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Finding the Fourth Proportional to 3,658,349,264.91, 5,048,521,978.23 and 2,072,441,221.08

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Solution

The fourth proportional to 3,658,349,264.91, 5,048,521,978.23 and 2,072,441,221.08 is: 2,859,968,880.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658,349,264.91 : 5,048,521,978.23 = 2,072,441,221.08 : x
  2. Step 2: Convert to fraction form
    3,658,349,264.91/5,048,521,978.23 = 2,072,441,221.08/x
  3. Step 3: Cross multiply
    3,658,349,264.91x = 5,048,521,978.23 × 2,072,441,221.08
  4. Step 4: Simplify right side
    3,658,349,264.91x = 10,462,765,053,212,196,864
  5. Step 5: Solve for x
    x = 10,462,765,053,212,196,864/3,658,349,264.91
  6. Step 6: Final answer
    x = 2,859,968,880.93

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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.