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Finding the Fourth Proportional to 338,592,557, 507,766,961.28 and 117,203,742.56

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Solution

The fourth proportional to 338,592,557, 507,766,961.28 and 117,203,742.56 is: 175,763,427.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,592,557 : 507,766,961.28 = 117,203,742.56 : x
  2. Step 2: Convert to fraction form
    338,592,557/507,766,961.28 = 117,203,742.56/x
  3. Step 3: Cross multiply
    338,592,557x = 507,766,961.28 × 117,203,742.56
  4. Step 4: Simplify right side
    338,592,557x = 59,512,188,210,334,608
  5. Step 5: Solve for x
    x = 59,512,188,210,334,608/338,592,557
  6. Step 6: Final answer
    x = 175,763,427.10

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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.