Home / 557,390,076.64-769,154,733.12-309,856,357.60

Finding the Fourth Proportional to 557,390,076.64, 769,154,733.12 and 309,856,357.60

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Solution

The fourth proportional to 557,390,076.64, 769,154,733.12 and 309,856,357.60 is: 427,577,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,390,076.64 : 769,154,733.12 = 309,856,357.60 : x
  2. Step 2: Convert to fraction form
    557,390,076.64/769,154,733.12 = 309,856,357.60/x
  3. Step 3: Cross multiply
    557,390,076.64x = 769,154,733.12 × 309,856,357.60
  4. Step 4: Simplify right side
    557,390,076.64x = 238,327,484,035,363,296
  5. Step 5: Solve for x
    x = 238,327,484,035,363,296/557,390,076.64
  6. Step 6: Final answer
    x = 427,577,551.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.