Home / 361,627,196,778.37-542,442,216,599.97-146,499,802,821.01

Finding the Fourth Proportional to 361,627,196,778.37, 542,442,216,599.97 and 146,499,802,821.01

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Solution

The fourth proportional to 361,627,196,778.37, 542,442,216,599.97 and 146,499,802,821.01 is: 219,750,280,071.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,627,196,778.37 : 542,442,216,599.97 = 146,499,802,821.01 : x
  2. Step 2: Convert to fraction form
    361,627,196,778.37/542,442,216,599.97 = 146,499,802,821.01/x
  3. Step 3: Cross multiply
    361,627,196,778.37x = 542,442,216,599.97 × 146,499,802,821.01
  4. Step 4: Simplify right side
    361,627,196,778.37x = 79,467,677,773,687,209,066,496
  5. Step 5: Solve for x
    x = 79,467,677,773,687,209,066,496/361,627,196,778.37
  6. Step 6: Final answer
    x = 219,750,280,071.97

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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.