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Finding the Fourth Proportional to 615,137,345.66, 848,798,219.01 and 373,607,633.42

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Solution

The fourth proportional to 615,137,345.66, 848,798,219.01 and 373,607,633.42 is: 515,523,071.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,137,345.66 : 848,798,219.01 = 373,607,633.42 : x
  2. Step 2: Convert to fraction form
    615,137,345.66/848,798,219.01 = 373,607,633.42/x
  3. Step 3: Cross multiply
    615,137,345.66x = 848,798,219.01 × 373,607,633.42
  4. Step 4: Simplify right side
    615,137,345.66x = 317,117,493,855,436,992
  5. Step 5: Solve for x
    x = 317,117,493,855,436,992/615,137,345.66
  6. Step 6: Final answer
    x = 515,523,071.54

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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.