Home / 456,767,390.84-630,322,105.74-247,919,090.36

Finding the Fourth Proportional to 456,767,390.84, 630,322,105.74 and 247,919,090.36

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Solution

The fourth proportional to 456,767,390.84, 630,322,105.74 and 247,919,090.36 is: 342,119,175.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,767,390.84 : 630,322,105.74 = 247,919,090.36 : x
  2. Step 2: Convert to fraction form
    456,767,390.84/630,322,105.74 = 247,919,090.36/x
  3. Step 3: Cross multiply
    456,767,390.84x = 630,322,105.74 × 247,919,090.36
  4. Step 4: Simplify right side
    456,767,390.84x = 156,268,883,088,860,544
  5. Step 5: Solve for x
    x = 156,268,883,088,860,544/456,767,390.84
  6. Step 6: Final answer
    x = 342,119,175.37

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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.